| Name: | parasphenoid |
|---|---|
| Synonyms: | |
| Definition: | Long, unpaired median dermal bone that runs almost the entire length of the cranium. Contacts the prevomer anteriorly, and the prootic and basioccipital posteriorly. Anteriorly the parasphenoid is a long, thin bone that widens abruptly at the point of contact with the prootic. |
| Ontology: | Anatomy Ontology [ZFA:0000561] |
| Name: | anatomical region |
|---|---|
| Synonyms: | |
| Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. |
| Ontology: | Spatial Ontology [BSPO:0000070] |