| Name: | prechordal plate |
|---|---|
| Synonyms: | |
| Definition: | Axial hypoblast located anterior to the chorda mesoderm; the polster is its most anterior region. |
| Ontology: | Anatomy Ontology [ZFA:0000060] |
| 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] |