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premaxilla Definition

pre·max·illa (prē′mak sil′ə)

noun pl. premaxillae -·lae (-ē)

either of two bones in the upper jaw of vertebrates, situated between and in front of the maxillae, and fusing with them in the adult human being

Etymology: ModL: pre- & maxilla

Related Forms:

  • premaxillary pre·max′·il·lar′y (-maks′i ler′ē) adjective