| Phenotype: | kinethmoid bone absent, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | kinethmoid bone |
|---|---|
| Synonyms: | |
| Definition: | Small median unpaired dermal sesamoid bone in the premaxillary-ethmoid ligament between the mesethmoid and the premaxilla that enhances the protractability of the upper jaw. It forms in the premaxillary-ethmoid ligament. The kinethmoid arose de novo in the ancestor of Cypriniformes, the only group within Ostariophysi, in which it is found (Fink and Fink, 1981). |
| Ontology: | Anatomy Ontology [ZFA:0001406] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |