Source:http://linkedlifedata.com/resource/umls/id/C2752694
GO: 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]