carcinoid(redirected from Carcinoid tumour)
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A small, slow-growing, benign or malignant tumor, found usually in the gastrointestinal tract, that is composed of islands of rounded cells and secretes serotonin.
a small serotonin-secreting tumour, usually slow-growing and occurring in the gastrointestinal tract, although it may spread to the liver
a small, yellowish amino-acid- and peptide-secreting tumor usu. found in the gastrointestinal tract and the lung.
a small, yellow tumor that may develop from argentaffin cells in the gastrointestinal mucosa and spread widely throughout the body.See also: Cancer