| Term: | oocyte stage II germinal vesicle |
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| 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 II |
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| Synonyms: | cortical-alveolar oocyte, oocytes stage II, previtellogenic oocyte, Stage 2 oocyte |
| Definition: | Oocyte part of stage II ovarian follicle. The stage II oocytes are characterized by the presence of cortical alveoli, a tripartite zona radiata (vitelline envelope), and a central germinal vesicle. |
| Ontology: | Anatomy Ontology [ZFA:0001565] |
| Name: | germinal vesicle |
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| 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 |