| 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: | thecal cell layer |
|---|---|
| Synonyms: | thecal cell layers |
| Definition: | Multi-tissue structure of the ovarian follicle, composed of stromal cells and capillaries that covers oocytes. The thecal layer is external to the granulosa cell layer. |
| Ontology: | Anatomy Ontology [ZFA:0001113] |