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Medical Term:


Pronunciation: fag′ō-sōm

Definition: A vesicle that forms around a particle (bacterial or other) within the phagocyte that engulfed it, separates from the cell membrane, and then fuses with and receives the contents of cytoplasmic granules (lysosomes), thus forming a phagolysosome in which digestion of the engulfed particle occurs.

[phago- + G. sōma, body]