name: cortical granule exocytosis
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def: "The process of secretion by a cell that results in the release of intracellular molecules contained within a cortical granule by fusion of the vesicle with the plasma membrane of a cell. A cortical granule is a specialized secretory vesicle that is released during egg activation that changes the surface of the egg to prevent polyspermy." [GOC:dph]
synonym: "cortical granule release" RELATED [GOC:dph]
synonym: "cortical reaction" RELATED [PMID:22088197]
is_a: GO:0017156 ! calcium-ion regulated exocytosis
is_a: GO:0022414 ! reproductive process
relationship: part_of: GO:0060468 ! prevention of polyspermy
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