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Merriam Webster Medical Dictionary
Merriam-Webster's Medical Dictionary

Main Entry: phago·cy·to·sis
Pronunciation: "fag-&-s&-'tO-s&s, -sI-
Function: noun
Inflected Form(s): plural phago·cy·to·ses /-"sEz/
: the engulfing and usually the destruction of particulate matter by phagocytes that serves as an important bodily defense mechanism against infection by microorganisms and against occlusion of mucous surfaces or tissues by foreign particles and tissue debris
- phago·cy·tot·ic /-'tät-ik / adjective
[phagocytosis illustration]

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