Veins are a type of blood vessel that carry deoxygenated blood back to the heart from various parts of the body. Explore how different veins look, work, and help support the cardiovascular system.

A woman and her doctor discuss abdominal symptoms
Superior Mesenteric Vein: Anatomy, Function, and Significance
Human, who had been elevated from chair, holding his palm over calf
What Is the Small Saphenous Vein?
The blood supply of the lower body - stock illustration
The Anatomy of the Femoral Vein
subclavian vein
The Anatomy of the Subclavian Vein
superior vena cava
The Anatomy of the Superior Vena Cava
The blood supply of the shoulder - stock illustration
Here's What You Need to Know About the Axillary Vein
Anesthetic nurse puncture cephalic vein - stock photo
What You Need to Know About the Cephalic Vein
Close look at the heart
The Anatomy of the Coronary Sinus
veins and arteries of the neck
External Jugular Vein: Anatomy, Function, and Significance
veins and arteries of the neck
Internal Jugular Vein: Anatomy, Function, and Significance
Human liver, illustration - stock illustration
Anatomy of the Hepatic Veins
Human kidney cross section
Renal Vein: Anatomy, Function, and Significance
Heart and Circulatory System with Blood Vessels
The Anatomy and Importance of the Pulmonary Vein
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
The Anatomy and Function of the Portal Vein
Doctor showing his patient a model of a human heart
The Anatomy of the Inferior Vena Cava
The cardiovascular system
How Blood Flows Through the Heart and Lungs
Illustration of veins and capillaries
Capillary Structure and Function in the Body
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