Anatomy – Lecturio Medical Online Library

Anatomy of the Gluteal Region and Posterior Thigh: Popliteal Fossa and Neurovascular Bundle

The gluteal region is located posterior to the pelvic girdle and extends downward on the back of the upper part of the leg as the posterior thigh and then the popliteal fos... read more

The 99-Day Study Schedule for USMLE® Step 1 (FREE eBook)

The USMLE Step 1 exam is more important today than it has ever been in the past. Your USMLE Step 1 score is used as a gatekeeper for competitive and sought after residency ... read more

Structural Elements of the Nervous System: Dorsal Root, Autonomic & Enteric Ganglion and the Brain

Nerve tissue is a highly specialized tissue of the human body. The nervous system is one of the most complex, intricate and sophisticated systems in the human body. This ar... read more

Nerve Tissue: Brain

[toc] Introduction to the Brain The brain is the central organ of the human nervous system along with the spinal cord. It is made up of: The cerebrum Diencephalon... read more

Lower Limb Anatomy

The basis of any surgical discipline and radiological imaging is structural anatomy. This article envisages clarifying the basics of lower limb anatomy with a focus on the ... read more

Lymphatic Drainage of Abdominopelvic Organs

The lymphatic drainage of the abdominopelvic organs can be described easily by dividing the drainage into four groups. The lymphatic drainage from these organs is clinicall... read more

Connective Tissue: Bone Marrow and Hematopoiesis

Bone marrow is the type of tissue in the marrow cavities of bones where blood cells are formed and later released into the circulation. The process of production of blood c... read more

Chambers and Great Vessels of the Heart

The heart performs the function of receiving and pumping blood. In order to perform this function, it has four compartments, or chambers – the two atria and the two ventric... read more

Joints of the Lower Limb

The joints in the lower limb include the sacroiliac joint, hip joint, and knee joint, plus two important foot joints: the subtalar joint and the transverse tarsal joint, wh... read more

Autonomic Nerves of Abdominopelvic Organs

Together, the primitive embryonic foregut, midgut, and hindgut form the gastrointestinal tract. The foregut extends from the mouth to the proximal 2/3 of the duodenum. The ... read more

The Anatomy of the Male and Female Perineum and External Genitalia

The perineum is a diamond-shaped region situated inferior to the pelvic floor which separates it from the pelvic cavity. Several urinary, external genital and lower gastroi... read more

Bones of the Lower Extremity — Femur, Tibia, Fibula, Phalanges and More

The lower limb connects the body to the foot. It bears the weight of the body when standing and during movement. Altogether, there are 32 bones in the lower limb; this incl... read more