| 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: | pole plasm |
|---|---|
| Synonyms: | germ plasm, polar plasm |
| Definition: | Differentiated cytoplasm associated with a pole (animal, vegetal, anterior, or posterior) of an oocyte, egg or early embryo. |
| Ontology: | GO: Cellular Component [GO:0045495] QuickGO AmiGO |