| 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: | yolk |
|---|---|
| Synonyms: | yolk cell |
| Definition: | Giant syncytial uncleaved cell containing nutrient store for embryonic development in the form of semicrystalline phospholipoprotein and contained within yolk granules. |
| Ontology: | Anatomy Ontology [ZFA:0000084] |