| Name: | segmental plate |
|---|---|
| Synonyms: | presomitic mesoderm, PSM |
| Definition: | Unsegmented field of paraxial mesoderm present posterior to the most recently formed somite pair, from which somites will form. |
| Ontology: | Anatomy Ontology [ZFA:0000279] |
| Name: | poorly differentiated |
|---|---|
| Synonyms: | |
| Definition: | A cellular quality inhering in a bearer by virtue of its lacking most of the cellular characteristics which would allow it to be fully differentiated. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002106] |