This article, the first in a six-part series, gives an overview of the lymphatic system, which circulates lymph fluid around the body to drain tissue, transport fat and activate immune responses.

The lymphatic system helps the body balance fluids, fight infection, and absorb nutrients. Learn more about it here.

Intestinal lymphatics are, therefore, the longest-studied lymphatic vessel bed, but the molecular mechanisms controlling intestinal lymphatic vessel functions and pathology are only just emerging.

The video shows how our lymphatic system works undercover to protect our immune system. The network transports about two liters of lymphatic fluid throughout the body, identifies pathogens, trains ...

The lymphatic system is a network of tissues and organs that help rid the body of toxins, waste and other unwanted materials. The primary function of the lymphatic system is to transport lymph, a ...

Ever felt a bit bloated for no apparent reason? Do your legs feel tired at the end of the day, or do you sense that your body ...

The lymphatic system is an essential part of the immune system. This article describes the structure and functions of the lymph node.

Iryna Boiko/Getty Images How Lymphatic Drainage May Help the Immune System When the lymphatic system becomes sluggish, it may impair immune function.