| Term Name: | premaxilla |
|---|---|
| Synonyms: | premaxillae |
| Definition: | The premaxilla is a bone of the upper jaw. It is an L-shaped bone first visible as a thin sliver in the anterodorsal region of the upper lip, anterior to the dorsal tip of the maxilla (5.7 mm). In the adult, the premaxilla is ligamentously attached to its counterpart at the midline and the kinethmoid posterodorsally, by the premaxillo-rostroid ligaments. Premaxillary teeth are absent in zebrafish. |
| Appears at: | Unknown |
| Evident until: | Adult (90d-730d, breeding adult) |
| Ontology: | Anatomy Ontology [ZFA:0000567] |
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