Carcinoid

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  carcinoid \carcinoid\ [From Gr. karki`nos, a crab + -oid.] n.
     A small tumor (benign or malignant) arising from the mucosa
     of the gastrointestinal tract; it is usually associated with
     excessive secretion of serotonin.
     [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  carcinoid
       n : a small tumor (benign or malignant) arising from the mucosa
           of the gastrointestinal tract; usually associated with
           excessive secretion of serotonin