| Name: | blastodisc |
|---|---|
| Synonyms: | |
| Definition: | Embryonic structure that is the dome of cytoplasm that segregates from the yolk toward the animal pole during and after the one cell-stage, and which undergoes cleavage. |
| Ontology: | Anatomy Ontology [ZFA:0001175] |
| Name: | anatomical margin |
|---|---|
| Synonyms: | edge, margin |
| Definition: | Fiat anatomical region extending a short distance from the boundary of an object inwards. |
| Ontology: | Spatial Ontology [BSPO:0000006] |