| Name: | unfertilized egg |
|---|---|
| Synonyms: | activated oocyte |
| Definition: | A female gamete where meiosis has progressed to metaphase II and is able to participate in fertilization. In zebrafish specified to be outside the body. |
| Ontology: | Anatomy Ontology [ZFA:0001570] |
| Name: | chorion micropyle formation |
|---|---|
| Synonyms: | |
| Definition: | Establishment of the micropyle, a single cone-shaped specialization of the chorion that allows sperm entry into the egg prior to fertilization. |
| Ontology: | GO: Biological Process [GO:0046844] QuickGO AmiGO |