Origin of phagocytosis
First Known Use: 1889
Medical Definition of phagocytosis
plural phagocytoses \-ˌsēz\play
: 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
Seen and Heard
What made you want to look up phagocytosis? Please tell us where you read or heard it (including the quote, if possible).