Lymph Node

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A bean-shaped organ surrounded by a connective tissue capsule. It is part of the lymphatic system and is found throughout the body. It is composed predominantly of lymphocytes and its main function is immune protection.

**Synonyms:** - LYMPH NODE - Lymph Gland - Lymph Node(s) - Lymph Node, NOS - Lymph Nodes - Lymph Nodes - Lymph Nodes - Lymph node, NOS - Lymph nodes - Lymphatic Gland - Reticuloendothelial System, Lymph Node - Structure of lymph node (body structure) - lymph gland - lymph node - lymph node