Term: oocyte stage IV germinal vesicle
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 IV
Synonyms: mature oocytes, oocytes stage IV, postvitellogenic oocyte, Stage 4 oocyte
Definition: Oocyte part of stage IV ovarian follicle. Stage IV oocytes are large and filled with noncrystalline yolky bodies.
Ontology: Anatomy Ontology [ZFA:0001568]
Name: germinal vesicle
Synonyms: primary oocyte nucleus
Definition: The enlarged, fluid filled nucleus of a primary oocyte, the development of which is suspended in prophase I of the first meiotic division between embryohood and sexual maturity.
Ontology: GO: Cellular Component [GO:0042585]    QuickGO    AmiGO