The Lecturio Medical Concept Library

Concise knowledge for medical students and healthcare professionals

Adrenal gland

Adrenal Glands

Anatomy of the ear

Anatomy of the Ear

Arterial supply of the nasal cavity

Anatomy of the Nose

Anterior view of the right arm

Arm

Intricate pathways of the vestibular system

Auditory and Vestibular Pathways

Featured image axilla and brachial plexus

Axilla and Brachial Plexus

Breast anatomy normal scheme

Breasts

Cross section of secondary bronchus

Bronchial Tree

Bifurcation of the carotid artery

Carotid Arterial System

2 sources of blood supply to the brain

Cerebrovascular System

Colon blood supply, anterior view

Colon, Cecum, and Appendix

Cubital Fossa

Elbow movement and normal range of motion

Elbow Joint

Layers of the esophageal wall

Esophagus

Subtypes of femoral hernias

Femoral Region and Hernias

Anterior view of the right forearm, featuring the muscles of the deep layer of the anterior compartment

Forearm

Gallbladder

Gallbladder and Biliary Tract

General Structure of the Nervous System

gluteal region (maximus and medius faded)

Gluteal Region

The innervation of the hand

Hand

Anterior view of the pelvis and hip joint

Hip Joint

Branches of the trigeminal nerve

Jaw and Temporomandibular Joint

Motions of the knee

Knee Joint

Components and regions of the larynx

Larynx

Anterior view of the leg

Leg

Primary components of the limbic system

Limbic System

Porta hepatis hepatic portal

Liver

Lobes and fissures of the lungs

Lungs

Dural venous sinuses

Meninges

Extrinsic back muscles - Superficial muscles Biodigital

Muscles of the Back

Muscles of the mouth (Upper group)

Muscles of the Face

Head anatomy with olfactory nerve

Olfaction

Cross-sectional drawing showing the various muscular layers of the tongue

Oral Cavity: Lips and Tongue

Blood supply and innervation of the palate

Oral Cavity: Palate

Roots of the cranial nerves

Overview of the Cranial Nerves

Arterial supply of the pancreas

Pancreas

Sinusitis

Paranasal Sinuses

Arterial supply of parathyroid glands

Parathyroid Glands

Cross section of the penis

Penis

Diagram of the peritoneum

Peritoneum and Retroperitoneum

Pharynx arises from the pharyngeal arches

Pharynx

Hypothalamic–pituitary complex

Pituitary Gland

Blood supply of the pleurae

Pleura

Gastrocnemius

Popliteal Fossa

Differences in anal neurovasculature above and below the pectinate line

Rectum and Anal Canal

Pectoralis minor and subclavius muscles

Shoulder Complex

Posterior view of the skull

Skull

Small intestine

Small Intestine

Location of the spleen, in situ (anterior view)

Spleen

Arterial supply of the stomach

Stomach

Micro parts of a tooth

Teeth

Anatomy of the testis

Testicles

Orbit extraocular illustration

The Orbit and Extraocular Muscles

Anterior view of the right femur

Thigh

Blood supply of the thyroid

Thyroid Gland

Cross sectional structure Trachea

Trachea

Muscular anatomy of the perineum and pelvic floor, external view

Vagina, Vulva, and Pelvic Floor

Circulation

Ventricular System

Cervical vertebrae showing atlas and axis

Vertebral Column

Proximal and distal rows of the carpal bones

Wrist Joint

Acute Stress Disorder

Acute Stress Disorder

Adjustment disorder

Adjustment Disorder

Agoraphobia

Long-term effects of ethanol consumption

Alcohol Use Disorder

Amphetamine Use Disorder

Amphetamine Use Disorder

Anorexia Nervosa

Anorexia Nervosa

ADHD

Attention Deficit Hyperactivity Disorder

Autism spectrum disorder

Autism Spectrum Disorder

Binge Eating Disorder

Binge Eating Disorder

Bipolar Disorder

Bipolar Disorder

Body Dysmorphic Disorder

Body Dysmorphic Disorder

Brief Psychotic Disorder Fallback

Brief Psychotic Disorder

Bulimia Nervosa

Bulimia Nervosa

Cannabis Use Disorder

Cannabis Use Disorder

Circadian sleep-wake disorders

Circadian Rhythm Sleep–Wake Disorder

Cluster A Personality Disorders

Cluster B Personality Disorders

Cluster C Personality Disorders

Cocaine use disorder Fallback Feature

Cocaine Use Disorder

Conduct Disorder

Conduct Disorder

Conversion Disorder

Conversion Disorder

Defense Mechanisms

Delusional Disorder

Delusional Disorder

Depersonalization derealization disorder

Depersonalization/Derealization Disorder

Disruptive mood dysregulation disorder

Disruptive Mood Dysregulation Disorder

Dissociative Amnesia

Dissociative Amnesia

Dissociative Identity Disorder

Dissociative Identity Disorder

Factitious Disorder fallback

Factitious Disorders

Female sexual dysfunction fallback featured image

Female Sexual Dysfunction

Gambling Disorder

Gambling Disorder

Generalized Anxiety Disorder

Generalized Anxiety Disorder

Hallucinogen use disorder

Hallucinogen Use Disorder

Illness anxiety disorder

Illness Anxiety Disorder

Inhalant Use Disorder

Inhalant Use Disorder

Insomnia

Insomnia

Intermittent explosive disorder

Intermittent Explosive Disorder

Kleptomania and Pyromania

Kleptomania and Pyromania

Major Depressive Disorder

Major Depressive Disorder

Penis enlargement pump

Male Sexual Dysfunction

Malingering fallback

Malingering

Narcolepsy

Narcolepsy

Nicotine Use Disorder

Nicotine Use Disorder

Obsessive-compulsive disorder

Obsessive-compulsive Disorder (OCD)

Opioid Use Disorder Fallback Feature

Opioid Use Disorder

Oppositional defiant disorder

Oppositional Defiant Disorder

Panic disorder

Panic Disorder

Paraphilic Disorders

Paraphilic Disorders

Parasomnias

Parasomnias

Stages of healthy sleep

Physiology of Sleep

Geophagia

Pica

PTSD brain

Posttraumatic Stress Disorder (PTSD)

Psychotherapy

Psychotherapy

Restless legs syndrome

Restless Legs Syndrome

Rumination disorder

Rumination Disorder

Schizoaffective disorder

Schizoaffective Disorder

Schizophrenia

Sedatives, Hypnotics, and Anxiolytics Use Disorder

Sedatives, Hypnotics, and Anxiolytics Use Disorder

Tanner staging in boys

Sexual Physiology

Social Anxiety Disorder

Social Anxiety Disorder

Somatic Symptom Disorder

Somatic Symptom Disorder

Specific Phobias

Specific Phobias

Cycle of substance-related and addictive disorders

Substance-Related and Addictive Disorders

Suicide

Suicide

Tics and Tourette Syndrome

Tics and Tourette Syndrome

Trichotillomania lesions on scalp

Trichotillomania

Loop-sheet polymer of AAT molecules

Alpha-1 Antitrypsin (AAT) Deficiency

Isomer structure

Basics of Amino Acids

Diastereoisomers

Basics of Carbohydrates

Enzyme

Basics of Enzymes

Amino acid catabolism

Catabolism of Amino Acids

Mitosis Step by Step

Cell Cycle

Citric acid or Krebs cycle

Citric Acid Cycle

Brush border digestion

Digestion and Absorption of Carbohydrates

pathophysiology of methylmalonic acidemia

Disorders of Amino Acid Metabolism

Normal metabolism of fructose

Disorders of Fructose Metabolism

Proofreading activity of DNA polymerase

DNA Repair Mechanisms

Simple cell cycle dna

DNA Replication

DNA packaging and the two states of chromatin

DNA Types and Structure

Anatomy of Mitochondrion

Electron Transport Chain (ETC)

Competitive inhibition

Enzyme Inhibition

Reaction progress curve

Enzyme Kinetics

Histone acetylation

Epigenetic Regulation

Excessive ethanol consumption

Ethanol Metabolism

Histological slide from a kidney biopsy Fabry disease

Fabry Disease

Vitamin D types

Fat-soluble Vitamins and their Deficiencies

Role of vitamin B12 and folic acid in DNA synthesis

Folate and Vitamin B12

Galactose (Haworth projection)

Galactosemia

A child with massive hepatosplenomegaly due to Gaucher disease

Gaucher Disease

Location of gluconeogenesis - oxaloacetate being converted into malate

Gluconeogenesis

Glycolysis featured image

Glycolysis

Child with I-cell disease

I-cell Disease

Utilization of ketone bodies

Ketone Body Metabolism

Krabbe disease on imaging

Krabbe Disease

Absorption of short-chain fatty acids (SCFA) in the large intestine

Lipid Metabolism

Comparing-Mitosis-Meisosis

Meiosis

Tigroid pattern in MLD

Metachromatic Leukodystrophy

Ragged blue fibres

Mitochondrial Myopathies

Mucopolysaccharidosis VI

Mucopolysaccharidoses

Cherry-red spot

Niemann-Pick Disease

Structure of a nucleotide

Nucleic Acids

Uridine triacetate structure Orotic aciduria

Orotic Aciduria

Erosions, crust, and blisters are evident on the hands of this patient with PCT

Porphyrias

Gene expression from DNA

Post-transcriptional Modifications (RNA Processing)

Example of primary structure of a protein

Post-translational Protein Processing

Purine Salvage Deficiencies

2 helix–turn–helix regulatory proteins bound to DNA in the major groove

Regulation of Transcription

Basic structure of ribonucleotides

RNA Types and Structure

Genetic Code

Stages and Regulation of Translation

Transcription process and synthesis of mRNA

Stages of Transcription

Reactions contributing to proline synthesis

Synthesis of Nonessential Amino Acids

Cherry-red spot

Tay-Sachs Disease

Trace elements

Trace Elements

Urea cycle

Urea Cycle

Urea cycle

Urea Cycle Disorders

Characteristic skin rash associated with pellagra Malabsorption

Water-soluble Vitamins and their Deficiencies

Development of the Face - 14 weeks

Development of the Brain, Spinal Cord, and Face

Embryonic development of the gut tube

Development of the Bronchial Tree

Ligamentum arteriosum

Development of the Heart

First week of human development

Fertilization and First Week

Primordial germ cells become associated with primary sex cords

Gametogenesis

ABCDE-Assessment-fallback

ABCDE Assessment

Abdominal and Cardiac Evaluation with Sonography in Shock protocol-01

ACES and RUSH: Resuscitation Ultrasound Protocols

Rumack Matthew nomogram Acetaminophen Overdose

Acetaminophen Overdose

Full-thickness necrosis of the heel due to acute limb ischemia

Acute Limb Ischemia

Heimlich maneuver

Airway Obstruction

Diagram of pulmonary edema

Altitude Sickness

Blunt abdominal trauma

Blunt Abdominal Injury

Diaphragmatic rupture

Blunt Chest Trauma

Rule of 9s in children

Burns

Carbon Monoxide Poisoning

Public access defibrillation

Cardiac Arrest

Back blows and chest thrusts

Cardiopulmonary Resuscitation (CPR)

Severe caustic injury of the pharynx

Caustic Ingestion (Cleaning Products)

Chest pain

Chest Pain

Forearm compartments

Compartment Syndrome

Traumatic asphyxia due to blunt chest trauma

Crush Syndrome

Acute cyanide poisoning

Cyanide Poisoning

Decompression sickness diagnostic imaging

Decompression Sickness (DCS)

Dog bite

Dog and Cat Bites

Bilateral pulmonary parenchymal infiltrate compatible with ARDS

Drowning

Chest X-ray of pneumomediastinum and left-sided pleural effusion

Esophageal Perforation

Flail chest

Flail Chest

Focused Assessment with Sonography for Trauma (FAST)

Foreign body aspiration X-ray

Foreign Body Aspiration

Frostbite causes mummified feet

Frostbite

Atropa belladonna

General Principles of Toxidromes

$Sonourethrogram of penile fracture$

Genitourinary Trauma

$CT image of patients skull fractures$

Head Trauma

Pathophysiology chart of heatstroke

Heatstroke

Massive right hemothorax

Hemothorax

A person with birth deformities associated with prenatal exposure to Agent Orange

Herbicide Poisoning

Treatment algorithm diagram for diabetic ketoacidosis

Hyperglycemic Crises

MRI of insulinomas

Hypoglycemia

Osborn waves

Hypothermia

Vespula sp. wasp sting

Insect and Scorpion Stings

Insecticide poisoning etiology

Insecticide Poisoning

Malignant Hyperthermia

Mediastinum

Mediastinitis

Blood supply of the small intestine through the superior mesenteric artery

Mesenteric Ischemia

Lead line in gingiva - metal poisoning

Metal Poisoning (Lead, Arsenic, Iron)

Neck collar attachment for multitrauma patient

Multitrauma

Neuroleptic malignant syndrome

Neuroleptic Malignant Syndrome

Peripheral blood smear showing normochromic RBCs with anisocytosis:poikilocytosis - neutropenia

Neutropenic Fever

Overview of Antidotes

Overview of Antidotes

Large left thoraco-abdominal wound with epiplocele

Penetrating Abdominal Injury

Bullet in heart

Penetrating Chest Injury

Large volume pneumoperitoneum

Perforated Viscus

Subxiphoid approach for pericardiocentesis

Pericardial Effusion and Cardiac Tamponade

Pneumothorax size determination

Pneumothorax

X-ray chest PA view showing pulmonary oedema

Pulmonary Edema

Hypoxemia

Respiratory Failure

Tea coloured urine due to rhabdomyolysis

Rhabdomyolysis

Sepsis and septic shock

Sepsis and Septic Shock

Clinical characteristics of serotonin syndrome

Serotonin Syndrome

Western diamondback rattlesnake

Snakebites

Female black widow spider

Spider Bites

Staphylococcus aureus Toxic Shock Syndrome

Toxic Shock Syndrome

Lily of the valley

Toxicology of Plants

Emergency situation shock

Types of Shock

Advance directives

Advance Directives

Conflict of Interest

Conflict of Interest

Components of medical capacity

Decision-making Capacity and Legal Competence

Delivery of bad news

Delivery of Bad News

Components of valid informed consent disclosure of information

Disclosure of Information

End-of-life issues

End-of-life Issues

Malpractice

Malpractice

Confidentiality

Patient-Doctor Confidentiality

Intraepithelial lymphocytes

Adaptive Cell-mediated Immunity

Kaposi's sarcoma nose

AIDS-defining Conditions

The development of autoimmune diseases

Autoimmunity

Retention of primary dentition X-ray

Autosomal Dominant Hyperimmunoglobulin E Syndrome

B-cell activation and maturation processes in the germinal center

B Cells

Blood-type antigens

Blood Group Systems

C3 deficiency

C3 Deficiency

Cells of the Innate Immune System

Peripheral blood smear Chediak-Higashi syndrome

Chédiak-Higashi Syndrome

Process of phagocytosis in neutrophils

Chronic Granulomatous Disease

Common Variable Immunodeficiency (CVID)

Facial appearance diGeorge syndrome

DiGeorge Syndrome

Hereditary Angioedema (C1 Esterase Inhibitor Deficiency)

HIV replication cycle

HIV Infection and AIDS

Structure of the antibody

Humoral Adaptive Immunity

Hyper IgM Syndrome

Hyper-IgM Syndrome

Inheritance pattern of autosomal recessive conditions

IL-12 Receptor Deficiency

Class-switch recombination

Immunoglobulins

Pattern recognition receptors

Innate Immune Response

X-linked recessive inheritance

IPEX Syndrome

Leukocyte migration Leukocyte adhesion deficiency type 1

Leukocyte Adhesion Deficiency Type 1

Respiratory burst diagram

Myeloperoxidase Deficiency

Dimeric structure of IgA antibody

Selective IgA Deficiency

Bubble Boy Disease

Severe Combined Immunodeficiency

Wiskott–Aldrich syndrome presenting with multiple face petechiae

Severe Congenital Neutropenia

2-signal model - T-cell dependence on costimulation

T Cells

Complement pathway

Terminal Complement Pathway Deficiency

Blood collection process

Transfusion Products

Hemolytic reaction symptoms

Transfusion Reactions

Mast cells in allergy

Type I Hypersensitivity Reaction

Antibody-dependent cellular cytotoxicity Hypersensitivity

Type II Hypersensitivity Reaction

Immune Complex Disease Hypersensitivity III

Type III Hypersensitivity Reaction

Types of hypersensitivity: Type 4

Type IV Hypersensitivity Reaction

Components of vaccines

Vaccination

Wiskott-Aldrich syndrome: petechiae, hematoma and eczema

Wiskott-Aldrich Syndrome

X-linked agammaglobulinemia

X-linked Agammaglobulinemia

Ultrasonography of abdominal aortic aneurysm

Abdominal Aortic Aneurysms

Grade IV megaesophagus

Achalasia

Acne vulgaris pathogenesis illustrated

Acne Vulgaris

Schwannoma histology

Acoustic Neuroma

Comparison of hands acromegaly

Acromegaly and Gigantism

Albino showing actinic keratoses lesions over the chest

Actinic Keratosis (AK)

Chest X-ray shows bronchovascular prominance

Acute Bronchitis

Gallbladder wall thickening acute cholangitis

Acute Cholangitis

Clinical course of ATN

Acute Kidney Injury

Bone marrow smear from a patient with acute lymphoblastic leukemia

Acute Lymphoblastic Leukemia

AML bone marrow findings of Auer rods

Acute Myeloid Leukemia

Advanced otitis media

Acute Otitis Media

Fat tissue necrosis in acute pancreatitis

Acute Pancreatitis

Chest CT scan indicative of severe ARDS

Acute Respiratory Distress Syndrome

69-year-old female with tiredness and a persistent tan

Adrenal Insufficiency and Addison’s Disease

Child with albinism

Albinism

Three stages of alcoholic liver disease

Alcoholic Liver Disease

Alopecia areata

Alopecia

Alport syndrome kidney biopsy

Alport Syndrome

Alzheimers brain

Alzheimer Disease

Amyloid

Amyloidosis

Pathophysiologic mechanism of ALS

Amyotrophic Lateral Sclerosis

Rectum and anal canal schematic

Anal Cancer

Fistula, fissures and abscess

Anal Fissure

Suprasphincteric fistula

Anal Fistula

Spherocytes anemia

Anemia: Overview

Angioedema of the lips

Angioedema

Process of ankylosis

Ankylosing Spondylitis

Bilateral cryptophthalmos anomalies of the cornea

Anomalies of the Cornea

Location of lesion in anterior cord syndrome

Anterior Cord Syndrome

Gram stain of Bacillus anthracis

Anthrax

Example of a collapsed nasal bridge

Antinuclear Cytoplasmic Antibody-Associated Vasculitis

Livedo reticularis

Antiphospholipid Syndrome

Stanford and DeBakey classifications for aortic dissection

Aortic Dissection

Aortic Regurgitation

Aortic Regurgitation

Aortic stenosis heart sounds

Aortic Stenosis

Features of aplastic anemia

Aplastic Anemia

McBurneys Point photograph

Appendicitis

12-lead ECG Arrhythmogenic right ventricular cardiomyopathy (ARVC)

Arrhythmogenic Right Ventricular Cardiomyopathy

Malignant peritoneal mesothelioma as a cause of ascites

Ascites

Stage IV splenic injury

Asplenia

Asthma

Asthma

Contrast MRI showing glioblastoma multiforme

Astrocytoma

Ataxia-telangiectasia

Ataxia-telangiectasia

Partial atelectasis of the right upper lobe

Atelectasis

Atherosclerosis grade 1

Atherosclerosis

Erythema and lichenification in the kneefolds of a patient with atopic dermatitis

Atopic Dermatitis (Eczema)

ECG atrial fribrillation

Atrial Fibrillation

Slow atrial flutter

Atrial Flutter

First-degree AV block ECG

Atrioventricular Block

Alpha-synuclein in the pathogenesis of MSA

Atypical Parkinsonian Syndromes

Warm autoimmune hemolytic anemia

Autoimmune Hemolytic Anemia

Jaundice

Autoimmune Hepatitis

Gross pathology from nephrectomy in a patient with autosomal dominant polycystic kidney disease

Autosomal Dominant Polycystic Kidney Disease

Ultrasonography of the right kidney demonstrating autosomal recessive polycystic kidney disease

Autosomal Recessive Polycystic Kidney Disease

Esophageal granular cell tumor colliding with intramucosal adenocarcinoma

Barrett’s Esophagus

Different Channelopathies in Bartter’s syndrome

Bartter Syndrome

Nodular basal cell carcinoma of the nose

Basal Cell Carcinoma

Histopathological exam of Becker muscular dystrophy

Becker Muscular Dystrophy

Oblique radiograph of the right arm shows soft tissue swelling overlying a broad-based osteochondroma

Benign Bone Tumors

Hepatic adenoma

Benign Liver Tumors

Benign prostatic hyperplasia

Benign Prostatic Hyperplasia

Bartholin gland cyst benign vulvar conditions

Benign Vulvar Conditions

Sagittal cut of the upper eye lid

Blepharitis

Ptosis in botulism

Botulism

Bowen’s disease in an 81-year-old-woman

Bowen Disease and Erythroplasia of Queyrat

Bowenoid papulosis skin biopsy

Bowenoid Papulosis

Brachial plexus

Brachial Plexus Injuries

Sinus bradycardia at 42 bpm

Bradyarrhythmias

MRI of a brain abscess showing the classic “ring enhanced” lesion

Brain Abscess

Algorithm describing the course of action in patients with brain death

Brain Death

Bronchiectasis pathophysiology

Bronchiectasis

HRCT in bronchiolitis obliterans

Bronchiolitis Obliterans

Acute Budd-Chiari Syndrome Doppler

Budd-Chiari Syndrome

Cutaneous findings in bullous pemphigoid

Bullous Pemphigoid and Pemphigus Vulgaris

Left bundle branch block pathophysiology

Bundle Branch and Fascicular Blocks

Pathophysiology of Cancer Carcinogenesis

Carcinogenesis

Fine-needle aspiration of the liver showing metastatic carcinoid

Carcinoid Tumors and Syndrome

Gross pathology of excised left atrial myxoma

Cardiac Myxoma

Carotid artery stenosis

Carotid Artery Stenosis

Tests for carpal tunnel syndrome

Carpal Tunnel Syndrome

Eye disease simulation cataract

Cataracts in Adults

Summarizing the pathophysiology of celiac disease

Celiac Disease

Coagulative necrosis in kidney tissue

Cell Injury and Death

Histopathology of pulmonary anthracosis

Cellular Accumulations

Heart left ventricular hypertrophy

Cellular Adaptation

Left lower extremity cellulitis

Cellulitis

Location of lesion in central cord syndrome

Central Cord Syndrome (CCS)

Cerebellar Disorders

Chalazion

Haemophilus ducreyi bacteria

Chancroid

Chlamydial intranuclear inclusions

Chlamydial Infections

Gallbladder obstruction

Cholecystitis

Gallstones

Cholelithiasis

Chondrosarcoma on shoulder

Chondrosarcoma

Cytomegalovirus retinitis

Chorioretinitis

Activated eosinophils in hypereosinophilic syndrome

Chronic Eosinophilic Leukemia

Hydronephrosis on renal ultrasound

Chronic Kidney Disease

Blood smear from an adult with marked lymphocytosis

Chronic Lymphocytic Leukemia

Bone marrow examination for chronic myeloid leukemia

Chronic Myeloid Leukemia

Chest/abdomen X-ray showing right pneumothorax chronic obstructive pulmonary disease (COPD)

Chronic Obstructive Pulmonary Disease (COPD)

Chronic pancreatitis with arrows

Chronic Pancreatitis

Exemplary photographs for a spectrum of clinical manifestations of chronic venous disease

Chronic Venous Insufficiency

Pathology of alcoholic liver cirrhosis

Cirrhosis

Shoulder anatomy Biodigital

Clavicle Fracture

Cluster Headaches

Cluster Headaches

Segment of resected colon in the unfixed state containing an invasive colorectal carcinoma and two adenomatous polyps

Colon Polyps

Colon polyp

Colorectal Cancer

Numerous genital warts on the labia majora

Condylomata Acuminata (Genital Warts)

Signs of CHF

Congestive Heart Failure

Conjunctivitis

Conjunctivitis

The Bristol Stool Scale

Constipation

Bronchi and Lungs

Cor Pulmonale

Anatomy of the anterior chamber of the eye

Corneal Abrasions, Erosion, and Ulcers

Coronary heart disease pathophysiology

Coronary Heart Disease

PTEN protein pathophysiology of Cowden syndrome

Cowden Syndrome

MRI imaging of craniopharyngioma

Craniopharyngioma

Noncaseating granuloma Crohns disease

Crohn’s Disease

Steeple Sign

Croup

Path of descent of the testis

Cryptorchidism

Cushing syndrome baby

Cushing’s Syndrome

Newborn screening

Cystic Fibrosis

Lacrimal apparatus anatomy

Dacryocystitis

Deep venous thrombosis

Deep Vein Thrombosis

Delirium

Delirium

Heliotrope rash in dermatomyositis

Dermatomyositis (DM)

ADH regulation and production

Diabetes Insipidus

The pancreas

Diabetes Mellitus

Osmotic diarrhea

Diarrhea

Scanning electron microscope image of Enterotoxigenic Escherichia coli

Diarrheagenic E. coli

Diffuse_proliferative_lupus_nephritis

Diffuse Proliferative Glomerulonephritis

Four-chamber view cine-MRI showing dilated cardiomyopathy

Dilated Cardiomyopathy

Gram-positive Corynebacterium diphtheriae bacteria

Diphtheria

Location of the major salivary glands and their ducts

Diseases of the Salivary Glands

Essential anatomy of the eye illustration

Diseases of the Uvea

Fundus photographs of vitreous hemorrhage

Diseases of the Vitreous Body

Anatomy of vertebral and carotid arteries

Dissection of the Carotid and Vertebral Arteries

Schistocytes as diagnostic of DIC

Disseminated Intravascular Coagulation

CT scan of perforated diverticulitis

Diverticular Disease

Tissue sample of Donovanosis patient

Donovanosis

Lobular hepatitis secondary to ibuprofen

Drug-induced Liver Injury

Gowers_sign

Duchenne Muscular Dystrophy

Esophagogastroduodenoscopy cicatricial stricture

Dysphagia

Neck dystonia

Dystonia

Myxedema edema

Edema

Laxity of wrist and fingers in Ehlers-Danlos syndrome

Ehlers-Danlos Syndrome

Schematic overview of eicosanoids biosynthesis

Eicosanoids

Dislocated elbow

Elbow Dislocation

Contrast enhancement in the posterior side of the bilateral insular cortex, right hypothalamus, and inferior left frontal cortex consistent with encephalitis

Encephalitis

Intraoperative vegetation findings on the aortic valve

Endocarditis

Hypopyon and track of pus with endophthalmitis associated with glaucoma shunt intraluminal stent exposure

Endophthalmitis

Salmonella typhi

Enteric Fever (Typhoid Fever)

MRI scan reveals an anaplastic ependymoma

Ependymoma

Scrotal doppler ultrasound

Epididymitis and Orchitis

Epidural hematoma

Epidural Hemorrhage

Doctor with child Epiglottitis

Epiglottitis

Electrode placement of 21 electrodes of international 10-20 system for EEG

Epilepsy

Erectile dysfunction pathogenesis

Erectile Dysfunction

Facial erysipelas

Erysipelas

Epidermal Changes in Erythema Multiforme

Erythema Multiforme

Erythema nodosum - atypical presentation

Erythema Nodosum

Esophageal cancer staging

Esophageal Cancer

Cloxacillin-induced esophagitis

Esophagitis

Bone marrow biopsy in essential thrombocythemia

Essential Thrombocythemia

Ewing sarcoma surgery

Ewing Sarcoma

Whipple Pancreaticoduodenectomy

Exocrine Pancreatic Cancer

Endoscopic view of established, multiple FAP adenomas

Familial Adenomatous Polyposis

Multiple pedunculated and sessile, non-bleeding juvenile polyps

Familial Juvenile Polyposis

Time course of a typical fever

Fever

The string-of-beads feature in medial fibromuscular dysplasia

Fibromuscular Dysplasia

Fibromyalgia tender points

Fibromyalgia

Gas gangrene shoulder

Gas Gangrene

Linitis plastica

Gastric Cancer

Primary jejunal gastrinoma

Gastrinoma

Corpus mucosa

Gastritis

Campylobacter species

Gastroenteritis

Esophageal reflux

Gastroesophageal Reflux Disease

Infectious colitis colonoscopy

Gastrointestinal Bleeding

Reduction in genu valgum

Genu Valgum

Pathologic genu varum

Genu Varum

Giant cell arteritis 3

Giant Cell Arteritis

Nephron with Gitelman syndrome

Gitelman Syndrome

Free flow of aqueous humor

Glaucoma

MRI scan glioblastoma enhanced

Glioblastoma Multiforme

Glucagonoma

Glucagonoma

G6PD band Xq28 illustration

Glucose-6-phosphate Dehydrogenase (G6PD) Deficiency

Patient from South Sudan with a goiter

Goiter

Gonococcal lesion on skin

Gonorrhea

Bronchoalveolar fluid samples become progressively more hemorrhagic in diffuse alveolar hemorrhage

Goodpasture Syndrome

Gout illustration

Gout

Grading, Staging, and Metastasis

C-ANCA Granulomatosis

Granulomatosis with Polyangiitis

Ophthalmopathy due to Graves disease

Graves’ Disease

Bell palsy (facial nerve palsy) in a case of GBS

Guillain-Barré Syndrome

Gynecomastia

Gynecomastia

Peripheral blood smear showing a hairy cell

Hairy Cell Leukemia

Thyroid uptake scan

Hashimoto’s Thyroiditis

Normal tympanic membrane

Hearing Loss

Optic nerve hemangioblastoma

Hemangioblastoma

CLL with autoimmune hemolytic anemia

Hemolytic Anemia

Jaundice phototherapy

Hemolytic Disease of the Fetus and Newborn

Hemophilia subcutaneous ecchymoses

Hemophilia

Bronchiectasis imaging

Hemoptysis

Anal canal anatomy

Hemorrhoids

Purpura evident on the distal extremities of a pediatric patient

Henoch-Schönlein Purpura

Effects of hyperammonemia on the glutamate-glutamine cycle

Hepatic Encephalopathy

Metastases in the liver

Hepatocellular Carcinoma (HCC) and Liver Metastases

Itraconazole associated quadriparesis and edema

Hepatorenal Syndrome

Liver biopsy for iron hemochromatosis

Hereditary Hemochromatosis

Hereditary spherocytosis

Hereditary Spherocytosis

Single varicella zoster virus herpes zoster

Herpes Zoster (Shingles)

Stage II hidradenitis suppurativa in the axilla

Hidradenitis Suppurativa

Head MRI showing frontal abscess

High-Risk Headaches

$Unspecified displaced fracture of the right femur with surgical repair$

Hip Fractures

Hirschsprung disease seen on contrast barium enema study

Hirschsprung Disease

Fine-needle aspiration of Hodgkin lymphoma

Hodgkin Lymphoma

Upper eyelid stye

Hordeolum (Stye)

Horner syndrome

Horner Syndrome

Neuronal changes in Huntington disease

Huntington Disease

Anterograde pyelography demonstrates Grade III left-sided hydronephrosis

Hydronephrosis

Adrenal gland Conn syndrome

Hyperaldosteronism

Calcium Metabolism

Hypercalcemia

Pitting oedema of right leg

Hypercoagulable States

Hyperkalemia EKG

Hyperkalemia

Plasma Osmolality

Hypernatremia

Parathyroid adenoma

Hyperparathyroidism

Prolactinoma

Hyperprolactinemia

Hypersensitivity pneumonitis biopsy

Hypersensitivity Pneumonitis

STE secondary to left ventricular hypertrophy

Hypertension

Acute hypertensive retinopathy

Hypertensive Retinopathy

Keloid

Hypertrophic and Keloid Scars

Hypertrophic cardiomyopathy shown on imaging

Hypertrophic Cardiomyopathy

Hypoaldosteronism

Trousseau's sign of latent tetany

Hypocalcemia

Mucocutaneous telangiectases

Hypocoagulable Conditions

Pathogenesis of primary versus secondary hypogonadism

Hypogonadism

ECG changes seen in hypokalemia

Hypokalemia

Effects of hyponatremia on the brain

Hyponatremia

Trousseau's sign of latent tetany

Hypoparathyroidism

Hypothalamic–pituitary complex

Hypopituitarism

Hypotension

Hypotension

hypothalamus within the brain

Hypothalamus

Symptoms of hypothyroidism

Hypothyroidism

Lizard skin appearance of ichthyosis

Ichthyosis Vulgaris

Narrowing of the transverse sinuses

Idiopathic Intracranial Hypertension

IgA nephropathy

IgA Nephropathy

Immune thrombocytopenic purpura - purple spots on legs

Immune Thrombocytopenic Purpura

Atopic dermatitis

Impetigo

Types of brain herniation

Increased Intracranial Pressure (ICP)

Pseudofolliculitis barbae

Infectious Folliculitis

Etiologies of infertility in couples (left) and women (right)

Infertility

Interplay of various chemokines

Inflammation