A vessel that transports lymph through the lymphatic system and ultimately returns excess tissue fluid to the bloodstream.
Lymphatic vessels form an extensive network throughout the body. They collect excess fluid and certain substances from tissues, forming lymph, and transport it toward larger lymphatic vessels before returning it to the circulation.
Lymphatic vessels also transport immune cells and can carry foreign material to lymph nodes, where it can be filtered and examined by immune cells. Specialized lymphatic vessels in the intestine also help absorb and transport certain dietary fats.
QUICK FACT
Lymphatic vessels generally carry fluid toward the bloodstream rather than away from it. They help prevent excess fluid from accumulating in tissues.
COMMONLY CONFUSED WITH
Blood vessel: Blood vessels transport blood through the cardiovascular system, whereas lymphatic vessels transport lymph through the lymphatic system.
SEE ALSO