Main Entry: sig·nal node Pronunciation: 'sig-n&l- Function: noun : a supraclavicular lymph node which when tumorous is often a secondary sign ofgastrointestinal cancer called also Virchow's node
signal node sig·nal node (sĭg'nəl) n. A firm, palpable, supraclavicular lymph node, usually on the left side, whose tumorous condition is usually secondary to primary carcinoma in one of the viscera. Also called jugular gland, Virchow's node.
