premaxilla

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Related to premaxillary: premaxillary suture

premaxilla

[¦prē·mak′sil·ə]
(anatomy)
Either of two bones of the upper jaw of vertebrates located in front of and between the maxillae.
References in periodicals archive ?
Posterior to the four premaxillary teeth there is a diastema as long as the mesiodistal length of an alveolus where the fourth large dentary tooth is accommodated.
All the studied specimens present the holorhinal condition of the nostril, and in general, present narrow nostrils, premaxillary strongly fused to the nasal, and both entirely calcified.
Anterolaterally, the mass was causing destruction of the anterior root of the zygoma with extension into the premaxillary soft tissues.
Williams, "Bone morphogenetic protein-induced repair of the premaxillary cleft," Journal of Oral and Maxillofacial Surgery, vol.
These are the maxillary, premaxillary and dentary bones.
Banded Darter are a moderately slender darter with a broadly connected gill cover, premaxillary frenum connecting snout to the upper lip, and complete lateral line (Smith, 1979; Robinson and Buchanan, 1988; Pflieger, 1997).
Head and snout long, jaws equal, mouth terminal, lips soft and flexible, outer premaxillary tooth row not exposed.
Teeth distinctly developed, in a single row and forked in fish over about 50 mm SL; Five to eight scales between the dorsal fins; protruded upper jaw (premaxillary bones) extends forward rather than downward; body deeper, depth 4 to 6 times in SL ...
The premaxillary shape and dental microwear analyses showed that the diets of extinct Giraffidae were highly heterogeneous (e.g.) the Bramatherium megacephalum (Lydekker 1878) and Sivatherium giganteum Falconer and Cautley 1835 (Sivatheriinae) were grazers.
Synaphobranchus oregoni has large teeth on the anterior end of the vomer that are nearly the same length as the premaxillary teeth (Sulak and Shcherbachev 1997:1171, fig.