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phagosome

Pronunciation: fag'o-som

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. soma, body]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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