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[fag-uh-sahy-toh-sis] /ˌfæg ə saɪˈtoʊ sɪs/
Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
Origin of phagocytosis
1890-95; phagocyte + -osis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for phagocytosis


the process by which a cell, such as a white blood cell, ingests microorganisms, other cells, and foreign particles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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phagocytosis in Medicine

phagocytosis phag·o·cy·to·sis (fāg'ə-sī-tō'sĭs)
The engulfing and ingestion of bacteria or other foreign bodies by phagocytes.

phag'o·cy·tot'ic (-tŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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