| 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: | meiosis II nuclear membrane disassembly |
|---|---|
| Synonyms: | meiosis II nuclear envelope breakdown, meiosis II nuclear envelope catabolism, meiosis II nuclear envelope degradation, meiosis II nuclear envelope disassembly |
| Definition: | The controlled breakdown of the nuclear membranes during the second division of meiosis. |
| Ontology: | GO: Biological Process [GO:0051080] QuickGO AmiGO |