Term: oocyte stage III cortical granule
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: oocyte stage III
Synonyms: oocytes stage III, postvitellogenic oocyte, Stage 3 oocyte, vitellogenic oocytes
Definition: Oocyte part of stage III ovarian follicle. Stage III oocytes contain internal vitellus droplets and peripheral yolk vesicles.
Ontology: Anatomy Ontology [ZFA:0001566]
Name: cortical granule
Synonyms: cortical vesicle
Definition: A secretory vesicle that is stored under the cell membrane of an egg. These vesicles fuse with the egg plasma membrane as part of egg activation and are part of the block to polyspermy.
Ontology: GO: Cellular Component [GO:0060473]    QuickGO    AmiGO