| Name: | entopterygoid |
|---|---|
| Synonyms: | endopterygoid, mesopterygoid |
| Definition: | The entopterygoid is a dermal bone that forms the anteroventral and ventral surface of the orbit. It develops as a long sliver of bone developing in the membrane dorsomedial to the palatoquadrate cartilage (3.8 mm NL). |
| Ontology: | Anatomy Ontology [ZFA:0000657] |
| 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] |