pre·max·il·la /ˌprimækˈsɪlə/
  pre·max·il·la /ˌprɪmækˈsɪlə/ 名詞
  切牙骨
  Pre·max·il·la n.; pl. Premaxillæ   Anat. A bone on either side of the middle line between the nose and mouth, forming the anterior part of each half of the upper jawbone; the intermaxilla. In man the premaxillæ become united and form the incisor part of the maxillary bone.
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