Name: | kinethmoid bone |
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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: | morphology |
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Synonyms: | |
Definition: | A quality of a single physical entity inhering in the bearer by virtue of the bearer's size or shape or structure. |
Ontology: | Phenotypic Quality Ontology [PATO:0000051] |