Human anatomy helps us understand the function and importance of complex structures within our bodies. From veins to organs, explore how different systems look and work.

Male doctor talking face to face with patient in doctors office consultation about Epididymis anatomy
The Anatomy of the Epididymis
Sphenopalatine artery
The Anatomy of the Sphenopalatine Artery
iv catheterisation in cubital vein
The Anatomy of the Median Cubital Vein
veins and arteries of the neck
The Anatomy of the External Jugular Vein
veins and arteries of the neck
The Internal Jugular Vein
A healthcare provider helps a person up from an exam table after a gynecological exam
How the Female Reproductive System Works
A person examining an anatomical model of bones
What Is Bone Marrow and Why Is It Important?
Are teeth bones? Two Gen Z women posing close together. Beauty and wellness concept.
Are Teeth Considered Bones? If Not, What Are They?
A photo collage of two anatomy dummies with one inverted to represent Situs Inversus
Situs Inversus: The Effects of Reversed Organs
Healthcare provider examining the inside of an infant's ears, while caretaker holds child's head still.
A Look Inside the Ear Canal
Woman standing in a home doing shoulder presses with dumbbells in each hand.
How Long It Takes to Build Muscle After Starting Training
An illustration showing mitochondria function.
Mitochondria Function in Humans
Woman in a healthcare provider's office with her mouth open; healthcare provider examining patient's mouth
Function of the Lingual Frenulum and Pain Causes
Doctor talking to patient
What Is Homeostasis?
wrist joint
Anatomy of the Condylar Joint
Man stretching before a run
The Anatomy of Tendons
soda-bone-density
What Causes Calcium Deposits? Types and Treatments
Hispanic doctor examining neck of patient
How the Lymphatic System Works
Graphic shows how the stress response system works starting with the hypothalamus and ending with cortisol release.
What Is Cortisol?
pH test
Understanding pH Balance in the Body
SPINAL CORD CROSS SECTION, 5X SHOWS: GRAY MATTER (GOLDEN BUTTERFLY), WHITE MATTER, CENTRAL CANAL, DORSAL & VENTRAL ROOT, DORSAL ROOT GANGLION, MENINGES, DORSAL HORN, VENTRAL (ANTERIOR) HORN, & ANTERIOR HORN CELLS (MOTOR NEURON CELL BODIES) - stock photo
The Meninges of the Brain and Nervous System
arm muscle anatomy
Arm Muscle Anatomy
Portrait of woman sticking out tongue
The Anatomy of the Sublingual Glands
seminal vesicles
The Anatomy of the Seminal Vesicles
Amygdala of the brain, illustration
The Anatomy of the Amygdala
outer ear
The Anatomy of Outer Ear
human ear anatomy
Understanding the Inner Ear
Woman touching her shoulder - Clavicle Bone anatomy
Anatomy of the Clavicle Bone
Doctor examining a man's neck
What Is an Adam’s Apple?
An illustration of lungs and bronchioles
Bronchioles: Importance of the Lungs' Smallest Airways
The pons
The Anatomy of the Pons
A man points to a screen with images of a brain with an MRI machine in the background
The Anatomy of the Medulla Oblongata
Male pelvis
The Anatomy of the Scrotum
the duodenum
What to Know About the Duodenum and Conditions That Affect It
Female reproductive system with image diagram
The Anatomy of the Fallopian Tubes
The anatomy of the pineal gland and how it produces melatonin to promote sleep
Pineal Gland Location, Function, and Conditions
Waiting for the doctor
The Anatomy of the Bursa
Female breast anatomy, illustration
The Parts of the Breast
Eggs are a source of cholesterol.
Endogenous Substance and Your Body
An image of the mediastinum region
The Mediastinum and Its 3 Main Regions
The layers of the Skin, hypodermis
What Is the Hypodermis?
closeup of a woman's fingernails and fingers
Structure and Growth of Fingernails and Toenails
Mixed race woman massaging her face and looking at a mirror
The Anatomy of the Stratum Corneum
woman taking off bra before mammogram
Nipple Color and Other Changes
Talus Bone Anatomy and Common Injuries
massage therapist stretching hip of female client, tibia anatomy
Overview of the Tibia (Shinbone)
Human veins illustration, retromandibular vein
The Anatomy of the Retromandibular Vein
A medical worker ties a tube around a patient's arm in preparation for a blood draw.
The Anatomy of the Basilic Vein
Lower limb vascular examination because suspect of venous insufficiency
Everything You Need to Know About the Great Saphenous Vein
A woman and her doctor discuss abdominal symptoms
The Anatomy of the Superior Mesenteric Vein
Human, who had been elevated from chair, holding his palm over calf
The Anatomy of the Small Saphenous Vein
subclavian vein
The Anatomy of the Subclavian Vein
Close look at the heart
The Anatomy of the Coronary Sinus
Human kidney cross section
Renal Vein Anatomy and Function
Heart and Circulatory System with Blood Vessels
The Anatomy of the Pulmonary Vein
A woman's legs with varicose and spider veins
How Varicose Veins Are Treated
male urethra
The Anatomy of the Urethra
Doctor examining a man's neck
The Anatomy of Jugular Veins
Doctor pointing to model of the human liver
Portal Vein Function, Location, and Anatomy
Doctor showing his patient a model of a human heart
The Anatomy of the Inferior Vena Cava