Dictionary

premaxilla

premaxilla

noun pre·max·il·la \ˌprē-mak-ˈsi-lə\

Definition of PREMAXILLA

:  either of a pair of bones of the upper jaw of vertebrates between and in front of the maxillae
pre·max·il·lary \(ˌ)prē-ˈmak-sə-ˌler-ē, chiefly British ˌprē-mak-ˈsi-lə-rē\ adjective or noun

Origin of PREMAXILLA

New Latin
First Known Use: 1866

premaxilla

noun pre·max·il·la \ˌprē-mak-ˈsil-ə\   (Medical Dictionary)
plural pre·max·il·lae \-ē\

Medical Definition of PREMAXILLA

:  either member of a pair of bones of the upper jaw of vertebrates situated between and in front of the maxillae that in humans form the median anterior part of the superior maxillary bones but in most other mammals are distinct and bear the incisor teeth and in birds coalesce to form the principal part of the upper mandible—called also incisive bone

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