lymph node

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lymph node

any of numerous bean-shaped masses of tissue, situated along the course of lymphatic vessels, that help to protect against infection by killing bacteria and neutralizing toxins and are the source of lymphocytes

lymph node

[′limf ‚nōd]
(anatomy)
An aggregation of lymphoid tissue surrounded by a fibrous capsule; found along the course of lymphatic vessels. Also known as lymph gland.