Assertion: vesicle's material | /r/HasProperty | surrounded
Facets:
Source sentences:
text: Phagocytosis is the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local in folding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole.