Vagina, Vulva y Piso Pélvico: Anatomía

Desarrollo

Cronología de la embriología

• Semanas 1–6:
  • El embrión está sexualmente indiferenciado/no binario.
  • El embrión posee los LOS Neisseria siguientes órganos sexuales primordiales:
    • Conductos mesonéfricos (conductos wolffianos)
    • Conductos paramesonéfricos (conductos müllerianos)
    • Seno urogenital
    • Tubérculo genital
    • Pliegue urogenital
    • Hinchazón labioescrotal
• Semana 7:
  • La diferenciación sexual comienza con el desarrollo de las gónadas.
  • Los LOS Neisseria genes Genes A category of nucleic acid sequences that function as units of heredity and which code for the basic instructions for the development, reproduction, and maintenance of organisms. DNA Types and Structure presentes en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la fecundación determinan si las gónadas bipotentes en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum desarrollo se diferencian en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum testículos u ovarios.
  • La presencia y/o ausencia de hormonas específicas secretadas por las gónadas determinan la diferenciación del resto de estructuras.
• Semana 20: Se completa la diferenciación fenotípica.

Diferenciación femenina del embrión

El desarrollo masculino se desencadena por la presencia de ciertas hormonas; el desarrollo femenino se desencadena principalmente por la ausencia de hormonas.

• El desarrollo masculino está impulsado por 2 hormonas principales producidas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria testículos:
  • Testosterona: estimula la diferenciación de los LOS Neisseria conductos wolffianos en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum las estructuras masculinas (e.g., epidídimo, conductos deferentes, vesículas seminales y conductos eyaculatorios)
  • Hormona antimülleriana: provoca la degeneración de los LOS Neisseria conductos müllerianos
• Los LOS Neisseria ovarios en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum desarrollo no secretan testosterona ni hormona antimülleriana.
• En EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum ausencia de hormona antimülleriana, los LOS Neisseria conductos paramesonéfricos/müllerianos persisten para formar los LOS Neisseria órganos sexuales femeninos internos:
  • Trompas de Falopio
  • Útero
  • ⅓ superior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
• En EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum ausencia de testosterona:
  • Los LOS Neisseria conductos mesonéfricos/wolffianos degeneran.
  • El seno urogenital, el tubérculo genital, los LOS Neisseria pliegues y la hinchazón se diferencian en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria genitales externos femeninos.
  • Nota: Todos los LOS Neisseria lactantes (hombres y mujeres) están expuestos a los LOS Neisseria altos niveles de estrógeno de la madre in utero; por lo tanto, no está claro el papel que desempeña el estrógeno en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el desarrollo sexual femenino.
• El seno urogenital forma:
  • ⅔ inferiores de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
  • Glándulas vestibulares mayores (también conocidas como glándulas de Bartolino)
  • Glándulas uretrales y parauretrales (también conocidas como glándulas de Skene)
• El tubérculo genital forma:
  • Glande del clítoris
  • Bulbos vestibulares
• El pliegue urogenital forma: labios menores
• Hinchazón labioescrotal: labios mayores

Anatomía Macroscópica

Anatomía macroscópica de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy

La vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy es la entrada externa del aparato reproductor femenino.

• Un tubo fibromuscular que conecta el vestíbulo vaginal (entre los LOS Neisseria labios menores) distalmente y el cuello uterino proximalmente
• Longitud: aproximadamente 8–10 cm
• Funciones:
  • Salida de fluido menstrual
  • Recepción del pene y del semen
  • Parto al AL Amyloidosis final del embarazo
• Cúpula:
  • Parte superior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy (hueco anular entre el cuello uterino y la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy)
  • Se puede dividir en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum porciones anteriores, posteriores y laterales
• Himen:
  • Pliegues de la mucosa vaginal que se extienden en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la parte distal del orificio vaginal
  • Embriológicamente, el himen separa el seno urogenital y el lumen vaginal (suele romperse antes del nacimiento).
• Límites vaginales:
  • Anterior: vejiga urinaria y uretra:
    • La uretra está incrustada en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la pared anterior.
    • La uretra drena la vejiga urinaria (recorre un trayecto paralelo a la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy antes de terminar en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el orificio uretral en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el vestíbulo vaginal).
  • Posterior: canal anal y recto
  • Lateral: músculos de piso pélvico y huesos isquiáticos
  • Superior: útero
  • Inferior: vestíbulo

Anatomía macroscópica de la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy

La vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy se refiere a los LOS Neisseria genitales femeninos externos y ocupa la mayor parte del periné.

• Límites de la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy:
  • Anterior: sínfisis del pubis
  • Posterior: periné y orificio anal
  • Lateral: parte superior medial de los LOS Neisseria muslos
  • Superior: músculos del diafragma pélvico
• Monte de Venus: región de piel y tejido adiposo con vello sobre la sínfisis púbica
• Labios mayores:
  • Pliegues cutáneos longitudinales prominentes emparejados que contienen tejido adiposo, que se extienden desde el monte de Venus hasta el periné
  • Homólogo de la piel del escroto masculino
• Labios menores:
  • Pareja de pliegues de piel sin pelo entre los LOS Neisseria labios mayores
  • Homólogo de la piel del pene masculino
• Clítoris:
  • Estructura eréctil parcialmente encerrada por los LOS Neisseria labios menores (también conocida como capucha del clítoris o prepucio), que es similar a los LOS Neisseria cuerpos cavernosos
  • La mayor parte de la estructura es interna.
  • Estructura:
    • Glande: porción externa que sobresale ligeramente del capuchón del clítoris
    • Cuerpo: pasa por debajo de la sínfisis del pubis
    • Raíces: el cuerpo se divide como una “Y” y forma raíces emparejadas, que recorren los LOS Neisseria bordes inferiores de los LOS Neisseria huesos del pubis
  • Homólogo del glande del pene masculino
• Bulbos vestibulares:
  • Masas alargadas de cuerpos cavernosos (tejido eréctil) que flanquean el orificio vaginal
  • Situados bilateralmente justo en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la profundidad de los LOS Neisseria labios mayores
  • Se llenan de sangre durante la excitación sexual y contribuyen a la estimulación sexual
• Vestíbulo:
  • Cavidad entre los LOS Neisseria labios menores
  • Contiene:
    • Orificio vaginal y orificio uretral
    • Glándulas vestibulares mayores y menores
• Glándulas vestibulares mayores (también conocidas como glándulas de Bartolino):
  • Glándulas pareadas situadas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el vestíbulo justo distal al AL Amyloidosis orificio vaginal (aproximadamente a las 5 y a las 7 si el orificio vaginal fuera una esfera de reloj)
  • Secretan moco para la lubricación durante la excitación sexual
  • Homólogo de las glándulas bulbouretrales en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria hombres
• Glándulas vestibulares menores (también conocidas como glándulas de Skene):
  • Glándulas pareadas situadas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la pared anterior distal de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy adyacente al AL Amyloidosis orificio uretral externo
  • Homólogo de la glándula prostática en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria hombres
  • Se desconoce la función exacta (se cree que secreta lubricación en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el orificio uretral, que puede actuar como antimicrobiano).

Anatomía macroscópica del periné y del espacio perineal superficial

El periné se refiere a la superficie externa, incluida la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy, y al AL Amyloidosis “espacio” poco profundo que hay debajo.

• Límites del periné:
  • Anterior: sínfisis del pubis
  • Anterolateral: rama inferior del pubis
  • Lateral: tuberosidades isquiáticas
  • Posterolateral: ligamentos sacrotuberosos
  • Posterior: coxis
• Triángulos: una línea transversal imaginaria entre las tuberosidades isquiáticas divide el periné en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum 2 “triángulos”:
  • Anterior: triángulo urogenital (incluye la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy)
  • Posterior: triángulo anal (incluye el ano)
• El espacio perineal superficial (conocido colectivamente como diafragma urogenital) contiene 3 músculos:
  • Isquiocavernoso:
    • Se extiende anteriormente desde las tuberosidades isquiáticas hacia el clítoris
    • Ayuda a la erección del clítoris
  • Bulboesponjoso:
    • Envuelve la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy lateral como un par PAR The PAR is the attributable risk for an entire population. It represents the fraction of cases that would not occur in a population if the exposure was eliminated. Measures of Risk de paréntesis
    • Proporciona soporte lateral y aprieta el pene durante el coito
  • Músculo perineal transversal superficial:
    • Se extiende medialmente desde las tuberosidades isquiáticas hacia el cuerpo perineal, que es un fuerte tendón central del periné
    • Proporciona estructura y soporte entre la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy y el recto
• Importancia clínica: los LOS Neisseria músculos bulboesponjoso y transverso superficial del periné se desgarran a menudo durante el parto y deben ser reparados intencionadamente.

Estructuras de Soporte

El diafragma pélvico proporciona soporte a la cavidad pélvica y a las estructuras circundantes. Además, los LOS Neisseria tres niveles primarios de soporte vaginal están conectados a través de la fascia Fascia Layers of connective tissue of variable thickness. The superficial fascia is found immediately below the skin; the deep fascia invests muscles, nerves, and other organs. Cellulitis endopélvica.

Diafragma pélvico

El diafragma pélvico es la capa más profunda del piso pélvico.

• Funciones:
  • Proporcionar soporte al AL Amyloidosis piso pélvico que separa la cavidad pélvica interna del periné externo
  • Resistir la presión intraabdominal
• Estructura:
  • Los LOS Neisseria músculos comienzan en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el arco tendinoso (por debajo y en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum paralelo al AL Amyloidosis margen inferior de los LOS Neisseria huesos del pubis).
  • Los LOS Neisseria músculos se extienden posteriormente hacia el coxis → “envuelven” la uretra, la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy y el recto, proporcionando un soporte lateral
  • Cuerpo perineal: el tendón central y el lugar de fijación de los LOS Neisseria músculos del suelo pélvico

• Músculos del diafragma pélvico:
  • Un grupo de músculos conocidos colectivamente como los LOS Neisseria músculos elevadores del ano:
    • Puborectal: el músculo más interno que se origina en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el arco tendinoso justo debajo del hueso púbico y que forma un cabestrillo alrededor del recto. Está en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum contacto directo con la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy lateral y el recto.
    • Pubococcígeo: el músculo medio, que conecta el arco tendinoso/huesos del pubis con el cóccix
    • Iliococcígeo: la capa más lateral, que conecta la espina isquiática con el cóccix
  • Coxígeo
• Otros músculos del piso pélvico:
  • Piriforme
  • Obturador interno

Niveles primarios de soporte vaginal

• Nivel 1:
  • Nivel de soporte más proximal
  • Consiste en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum los LOS Neisseria ligamentos uterosacros, que suspenden el útero y la parte superior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy al AL Amyloidosis sacro y a la pared pélvica lateral
  • Importancia clínica: la pérdida del nivel 1 de soporte conduce al AL Amyloidosis prolapso uterino en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy.
• Nivel 2:
  • Anexos laterales a lo largo de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
  • Fijaciones paravaginales a la fascia Fascia Layers of connective tissue of variable thickness. The superficial fascia is found immediately below the skin; the deep fascia invests muscles, nerves, and other organs. Cellulitis endopélvica de los LOS Neisseria músculos elevadores del ano que rodean la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
  • Importancia clínica: la pérdida del nivel 2 de soporte conduce a prolapso de la pared vaginal anterior y de la vejiga (cistocele).
• Nivel 3:
  • Nivel de soporte más distal
  • Consiste en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el periné y los LOS Neisseria músculos perineales
  • Soporta el ⅓ distal de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
  • Importancia clínica: la pérdida del nivel 3 de soporte conduce a la hipermovilidad uretral y a la incontinencia en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la parte anterior o al AL Amyloidosis prolapso de la pared vaginal posterior (también conocido como rectocele Rectocele Herniation of the rectum into the vagina. Pelvic Organ Prolapse) en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la parte posterior.

Irrigación e Inervación

Circulación

• Irrigación:
  • Vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy superior:
    • Arteria vaginal (una rama que se desprende directamente de la arteria ilíaca interna)
    • Rama vaginal de la arteria uterina (una rama diferente de la arteria ilíaca interna)
    • Los LOS Neisseria vasos corren principalmente a lo largo de las paredes laterales de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy.
  • Vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy inferior: arterias pudendas internas
  • Vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy:
    • La mayor parte de las estructuras son irrigadas por la arteria pudenda interna (una rama de la arteria ilíaca interna).
    • Las estructuras laterales son irrigadas por la arteria pudenda externa (una rama de la arteria femoral).
• Drenaje venoso:
  • Vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy:
    • Las venas forman los LOS Neisseria plexos venosos vaginales alrededor de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy.
    • Las venas drenan en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la vena uterina → vena ilíaca interna
  • La vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy drena a través de las venas pudendas externas → vena safena mayor
  • El clítoris drena a través de las venas dorsales del clítoris.

Drenaje linfático

• Vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy superior y media: ganglios ilíacos externos e internos
• Parte inferior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy y la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy: ganglios inguinales superficiales y profundos

Inervación

• Inervación sensorial:
  • Vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy:
    • Ramas del nervio pudendo
    • Ramas del nervio ilioinguinal
    • Ramas del nervio genitofemoral
  • Vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy:
    • Nervio pudendo
    • Nervios esplácnicos pélvicos ( S2 S2 Heart Sounds– S4 S4 Heart Sounds): fibras aferentes de la parte superior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
• Inervación motora: vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy y vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy: nervios pudendos ( S2 S2 Heart Sounds– S4 S4 Heart Sounds)
• Inervación autonómica:
  • Simpático: plexo uterovaginal (a partir del plexo hipogástrico inferior)
  • Parasimpático: nervios esplácnicos pélvicos ( S2 S2 Heart Sounds– S4 S4 Heart Sounds)
• Importancia clínica: el bloqueo del nervio pudendo puede utilizarse en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el parto para adormecer el periné y la parte inferior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy.

Microestructura

Microestructura vaginal

La vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy es un tubo fibromuscular revestido por una mucosa compuesta por 3 capas:

1. Adventicia externa:

• Capa interna de tejido conectivo denso
• Capa externa de tejido conectivo laxo

2. Capa muscular media:

• 2 capas indistintas de músculo liso:
  • Capa longitudinal externa
  • Capa circular interna conectada por fibras oblicuas entrelazadas
• Las fibras longitudinales son continuas con las fibras musculares superficiales del útero.
• Extensos plexos vasculares rodean la capa muscular.

3. Capa mucosa interna:

• Epitelio escamoso estratificado no queratinizado:
  • Permite el “desgaste” normal de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy
  • Al AL Amyloidosis final, las células se desprenden de la superficie de la mucosa hacia el lumen vaginal.
  • La capa basal se divide constantemente y sustituye a las células epiteliales.
• Las células epiteliales contienen glucógeno:
  • Las células superficiales acumulan glucógeno, que se secreta en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el lumen vaginal cuando las células se exfolian en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy.
  • Las bacterias vaginales naturales (especialmente Lactobacillus spp.) descomponen el glucógeno del epitelio descamado para producir ácido láctico.
  • El entorno ácido crea una barrera contra las infecciones.
• El estrógeno favorece el almacenamiento de glucógeno:
  • Contenido de glucógeno significativamente ↑ en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la pubertad
  • Las mujeres prepúberes y menopáusicas tienen menos glucógeno → ambiente menos ácido
• No hay glándulas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la mucosa vaginal; la lubricación se consigue mediante:
  • Glándulas cervicales a través de la secreción de moco
  • Transudación (i.e., “sudoración vaginal”) de líquido seroso
  • Secreciones de las glándulas de Bartolino
• Contiene rugosidades vaginales (numerosos pliegues transversales que funcionan como crestas de fricción para estimular el pene)

Microestructura vulvar

• Labios mayores:
  • Pliegues cutáneos longitudinales
  • Contienen músculo liso y tejido adiposo
  • Vello púbico en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la superficie lateral, sin vello en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la superficie medial
  • Glándulas sudoríparas y sebáceas en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum ambas superficies
• Labios menores:
  • Contienen glándulas sudoríparas y sebáceas
  • No hay pelo en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum ninguna superficie
• Clítoris:
  • Contiene 2 cilindros de tejido eréctil (cuerpos cavernosos)
  • El glande también contiene tejido eréctil.
  • Gran número de fibras nerviosas sensoriales

Relevancia Clínica

Trastornos vulvares y vaginales

• Prolapso de órganos pélvicos: prolapso de la pared vaginal y de los LOS Neisseria órganos pélvicos situados detrás de la pared (e.g., la vejiga o el recto) a través del orificio vaginal. El prolapso de los LOS Neisseria órganos pélvicos se produce cuando las estructuras de soporte de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy se debilitan y son incapaces de sostener los LOS Neisseria órganos internos contra la presión intraabdominal. Los LOS Neisseria principales factores de riesgo son la edad, la paridad y la obesidad.
• Disfunción sexual femenina: trastornos en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum cualquier parte del ciclo de respuesta sexual, incluidos los LOS Neisseria trastornos del deseo, la excitación, el orgasmo y el dolor Dolor Inflammation. Un trastorno de dolor Dolor Inflammation especialmente notable es la vulvodinia, un síndrome de dolor Dolor Inflammation crónico de la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy sin una causa identificable que a menudo limita gravemente la capacidad de mantener relaciones sexuales.
• Vulvovaginitis Vulvovaginitis The term vulvovaginitis is used to describe an acute inflammation of the vulva and vagina. Vulvovaginitis can be caused by several infectious and non-infectious etiologies, and results from disruption of the normal vaginal environment. Common signs and symptoms include pain, pruritus, erythema, edema, vaginal discharge and dyspareunia. Vulvovaginitis: inflamación aguda de la vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy y la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy debida a una etiología infecciosa. Las dos formas más comunes son la candidiasis Candidiasis Candida is a genus of dimorphic, opportunistic fungi. Candida albicans is part of the normal human flora and is the most common cause of candidiasis. The clinical presentation varies and can include localized mucocutaneous infections (e.g., oropharyngeal, esophageal, intertriginous, and vulvovaginal candidiasis) and invasive disease (e.g., candidemia, intraabdominal abscess, pericarditis, and meningitis). Candida/Candidiasis (causada por la especie de levadura Candida Candida Candida is a genus of dimorphic, opportunistic fungi. Candida albicans is part of the normal human flora and is the most common cause of candidiasis. The clinical presentation varies and can include localized mucocutaneous infections (e.g., oropharyngeal, esophageal, intertriginous, and vulvovaginal candidiasis) and invasive disease (e.g., candidemia, intraabdominal abscess, pericarditis, and meningitis). Candida/Candidiasis) y la vaginosis bacteriana (una infección bacteriana polimicrobiana).
• Absceso de la glándula de Bartolino: las glándulas de Bartolino pueden ocluirse y desarrollar quistes, que pueden infectarse. El absceso resultante suele presentarse como una masa dolorosa en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el vestíbulo, en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el lugar de la glándula de Bartolino (a las 5 o a las 7 horas, si se considera el orificio vaginal como una esfera de reloj). El absceso se trata con incisión y drenaje. A menudo se coloca un pequeño catéter para permitir el drenaje continuo y disminuir el riesgo de recidiva. En EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum ocasiones, se requiere un tratamiento quirúrgico.
• Cáncer vulvar y vaginal: tipos de cáncer relativamente poco frecuentes en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el aparato reproductor femenino. Entre los LOS Neisseria factores de riesgo del cáncer vaginal se encuentran la infección por el virus Virus Viruses are infectious, obligate intracellular parasites composed of a nucleic acid core surrounded by a protein capsid. Viruses can be either naked (non-enveloped) or enveloped. The classification of viruses is complex and based on many factors, including type and structure of the nucleoid and capsid, the presence of an envelope, the replication cycle, and the host range. Virology del papiloma humano (VPH) y la exposición al AL Amyloidosis dietilbestrol in utero (un medicamento que se prescribía habitualmente para las complicaciones del embarazo hasta principios de la década de 1970). El liquen escleroso es un importante factor de riesgo de cáncer de vulva Vulva The vulva is the external genitalia of the female and includes the mons pubis, labia majora, labia minora, clitoris, vestibule, vestibular bulb, and greater vestibular glands. Vagina, Vulva, and Pelvic Floor: Anatomy.

Relevancia clínica obstétrica

• Laceraciones obstétricas: desgarros espontáneos en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el periné, la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy o el cuello uterino que se producen como consecuencia de un traumatismo debido al AL Amyloidosis paso del bebé por el canal vaginal durante el parto. Con frecuencia, los LOS Neisseria músculos bulboesponjosos y transverso superficial del periné están lacerados y deben ser reparados intencionadamente para restaurar la estructura anatómica y la función.
• Bloqueo del nervio pudendo: inyección de opiáceos en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la zona que rodea al AL Amyloidosis nervio pudendo que proporciona un excelente alivio del dolor Dolor Inflammation en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum el periné y la parte inferior de la vagina Vagina The vagina is the female genital canal, extending from the vulva externally to the cervix uteri internally. The structures have sexual, reproductive, and urinary functions and a rich blood supply, mainly arising from the internal iliac artery. Vagina, Vulva, and Pelvic Floor: Anatomy. El bloqueo del nervio pudendo puede proporcionar anestesia durante las reparaciones de laceraciones perineales sin necesidad de una epidural. El bloqueo del nervio pudendo no incluye el útero y no proporciona ningún alivio contra el dolor Dolor Inflammation de las contracciones.

Estructuras anatómicas relacionadas

• Pelvis Pelvis The pelvis consists of the bony pelvic girdle, the muscular and ligamentous pelvic floor, and the pelvic cavity, which contains viscera, vessels, and multiple nerves and muscles. The pelvic girdle, composed of 2 “hip” bones and the sacrum, is a ring-like bony structure of the axial skeleton that links the vertebral column with the lower extremities. Pelvis: Anatomy: formada por la cintura pélvica, la cavidad pélvica, el piso pélvico y todas las vísceras, vasos y músculos contenidos en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum la pelvis Pelvis The pelvis consists of the bony pelvic girdle, the muscular and ligamentous pelvic floor, and the pelvic cavity, which contains viscera, vessels, and multiple nerves and muscles. The pelvic girdle, composed of 2 “hip” bones and the sacrum, is a ring-like bony structure of the axial skeleton that links the vertebral column with the lower extremities. Pelvis: Anatomy. La cavidad pélvica alberga diversas estructuras gastrointestinales y urogenitales.
• Útero: órgano hueco en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum forma de pera, compuesto por músculo liso que funciona para nutrir al AL Amyloidosis feto en EN Erythema nodosum is an immune-mediated panniculitis (inflammation of the subcutaneous fat) caused by a type IV (delayed-type) hypersensitivity reaction. It commonly manifests in young women as tender, erythematous nodules on the shins. Erythema Nodosum desarrollo hasta el final del embarazo. El útero también es responsable de la expulsión del bebé.