| Name: | oocyte stage II |
|---|---|
| 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: | central region |
|---|---|
| Synonyms: | |
| Definition: | Anatomical region centrally located on the body or body part. |
| Ontology: | Spatial Ontology [BSPO:0000075] |