Term: fertilized egg cortical granule exocytosis
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
Name: fertilized egg
Synonyms: zygote
Definition: Diploid cell produced by the fusion of sperm cell nucleus and egg cell.
Ontology: Anatomy Ontology [ZFA:0005772]
Name: cortical granule exocytosis
Synonyms: cortical granule release, cortical reaction
Definition: 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.
Ontology: GO: Biological Process [GO:0060471]    QuickGO    AmiGO