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[mas-toh-sahy-toh-sis] /ˌmæs toʊ saɪˈtoʊ sɪs/
noun, Pathology.
an overproduction of mast cells in body tissues.
Origin of mastocytosis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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mastocytosis in Medicine

mastocytosis mas·to·cy·to·sis (mās'tō-sī-tō'sĭs)
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.
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