[ fag-uh-sohm ]
/ ˈfæg əˌsoʊm /


a vacuole within a phagocyte that contains bacteria or other ingested particles and that becomes fused with a lysosome.

Origin of phagosome

First recorded in 1955–60; phago- + -some3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for phagosome


[ făgə-sōm′ ]


A membrane-bound vesicle formed in a cell by an inward folding of the cell membrane to hold foreign matter taken into the cell by phagocytosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.