plural of AV node

plural of SA node

plural of stem node

plural of Virchow's node

A painful, red, raised skin lesion, usually on the pads of the fingers or toes, indicative of the heart disease bacterial endocarditis.

(anatomy, immunology) Synonym of lymph node.

(anatomy, immunology) Each of the small oval bodies of the lymphatic system, distributed along the lymphatic vessels, that are clustered in the armpits, groin, neck, chest and abdomen. They act as filters, with an internal honeycomb of connective tissue filled with lymphocytes and macrophages that collect and destroy bacteria, viruses and foreign matter from lymph. When the body is fighting an infection, these lymphocytes multiply rapidly and produce a characteristic swelling of the lymph nodes.

(anatomy) A small constriction in the myelin sheath of axons

(anatomy) The uppermost of the deep inguinal lymph nodes located in the femoral canal.

(anatomy) A lymph node in the left supraclavicular fossa that may indicate cancer in the abdomen if it is hard and enlarged.