| Name: | blastomere | 
|---|---|
| Synonyms: | blastomeres | 
| Definition: | Cell that arises during cleavage and is partially cleaved, and located at the blastodisc margin prior to collectively forming the yolk syncytial layer (YSL) in the midblastula. | 
| Ontology: | Anatomy Ontology [ZFA:0000093] | 
| Name: | perinuclear region of cytoplasm | 
|---|---|
| Synonyms: | |
| Definition: | Cytoplasm situated near, or occurring around, the nucleus. | 
| Ontology: | GO: Cellular Component [GO:0048471] QuickGO AmiGO |