| Name: | oocyte stage V |
|---|---|
| Synonyms: | mature egg, unactivated egg |
| Definition: | Oocyte part of stage V ovarian follicle. |
| Ontology: | Anatomy Ontology [ZFA:0001569] |
| Name: | vitelline envelope |
|---|---|
| Synonyms: | fertilization membrane |
| Definition: | A glycoprotein-based structure that lies outside the plasma membrane and surrounds the egg before fertilization. |
| Ontology: | GO: Cellular Component [GO:0060388] QuickGO AmiGO |