| 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: | aplastic |
|---|---|
| Synonyms: | aplasia, undeveloped |
| Definition: | Absence of an organ, tissue or cell due to failure to develop from a primordium or precursor cell. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001483] |