lymph node

lymph node   n.  Any of the small bodies located along the lymphatic vessels, particularly at the neck, armpit, and groin, that filter bacteria and foreign particles from lymph fluid. During infection, lymph nodes may become swollen with activated lymphocytes. Also called lymph gland.

Main Entry: lymph node
Function: noun
: any of the rounded masses of lymphoid tissue that are surrounded by a capsule of connective tissue, are distributed along thelymphatic vessels, and contain numerous lymphocytes which filter the flow of lymph passing through the node called also lymph gland

lymph node n.
Any of the small, oval or round bodies, located along the lymphatic vessels, that supply lymphocytes to the bloodstream and remove bacteria and foreign particles from the lymph. Also called lymph gland, lymphoglandula, lymphonodus.