Argentaffinoma

Argentaffinoma: A tumor which secretes large amounts of the hormone serotonin. Argentaffinoma is also called carcinoid tumor. The tumor usually arises in the gastrointestinal tract, anywhere between the stomach and the rectum (the favorite spot is in the appendix) and from there may metastasize (spread) to the liver. In the liver the tumor produces
Found on http://www.medterms.com/script/main/art.asp?articlekey=15696

argentaffinoma

<oncology, tumour> A tumour which secretes excessive amounts of the hormone serotonin. The clinical result is carcinoid syndrome. These tumours may grow anywhere in the gastrointestinal tract (and in the lungs) with approximately 90% in the appendix. The remainder occur in the ileum, stomach, colon or rectum. ... (27 Sep 1997) ...
Found on http://www.mondofacto.com/facts/dictionary?argentaffinoma

argentaffinoma

(ahr″jәn-taf″ĭ-no´mә) a carcinoid tumor of the gastrointestinal tract formed from argentaffin cells, usually in the terminal ileum or appendix. Such tumors elaborate a variety of catecholamines that produce the symptom complex called carcinoid syndrome.
Found on http://www.encyclo.co.uk/local/21001
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