| Name: | margin |
|---|---|
| Synonyms: | |
| Definition: | Embryonic structure, the edge of the blastoderm. |
| Ontology: | Anatomy Ontology [ZFA:0000038] |
| Name: | ventral side |
|---|---|
| Synonyms: | ventral |
| Definition: | An anatomical region that is the entire part of an anatomical structure ventral to a horizontal plane and bounded on one side by the same horizontal plane. |
| Ontology: | Spatial Ontology [BSPO:0000068] |