premaxilla

/pree-mak-sil-uh/US // ˌpri mækˈsɪl ə //UK // (ˌpriːmækˈsɪlə) //

前颌骨,上颌骨前部,下颌骨前部,前颌角

Definitions

n.名词 noun

1
plural pre·max·il·lae [pree-mak-sil-ee]. /ˌpri mækˈsɪl i/. Anatomy, Zoology.
- : one of a pair of bones of the upper jaw of vertebrates, situated in front of and between the maxillary bones.

Body of the premaxilla pointed and slightly decurved; its length and breadth less than the basis cranii.
These three teeth, which are implanted in the premaxilla, form a distinct group, to which the name of “incisor” is applied.
The proximal extremity of the left premaxilla is lacking and also the tip of the beak.
Premaxillæ approximated, and right premaxilla with an angular process near base of rostrum overlapping mesirostral ossification.
Right premaxilla on a line with maxillary notches strongly concave and sunk below level of maxillæ.