Thoracic duct

Definition

The thoracic duct is the largest lymphatic vessel in the human body that transports lymph from the lymphatic system into the bloodstream, particularly from the lower and left side of the body. It extends from the abdomen to the neck, where it empties lymph into the venous blood circulation.

Related terms

Lymph:

A clear fluid that travels through the lymphatic system, carrying cells that help fight infections and other diseases.

Lymph nodes: Small, bean-shaped structures that filter lymph and store white blood cells, helping to fight infection.

Lymphocytes:

A type of white blood cell found in lymph that plays an essential role in the body's immune response