Origin of carcinoid

First recorded in 1925–30; carcin(o)- + -oid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

carcinoid in Medicine


  1. A small, slow-growing, benign or malignant tumor, usually in the gastrointestinal tract, that is composed of islands of rounded cells with small vesicular nuclei and secretes serotonin.argentaffinoma
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.