[ mas-toh-sahy-toh-sis ]
/ ˌmæs toʊ saɪˈtoʊ sɪs /

noun Pathology.

an overproduction of mast cells in body tissues.


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Origin of mastocytosis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for mastocytosis

[ măs′tō-sī-tōsĭs ]

n. pl. mas•to•cy•to•ses (-sēz)

A condition characterized by the abnormal proliferation of mast cells in the tissues.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.