premaxilla

noun

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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

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Recent Examples on the Web Especially remarkable is the animal’s premaxilla – the bone formed a kind of thick, bony wing which would have helped support a large mass of soft tissues in life. — Brian Switek, WIRED, "From the depths of the North Sea, a new ‘spoon-nosed’ dolphin," 2 Nov. 2010

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“Premaxilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/premaxilla. Accessed 21 Oct. 2020.

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premaxilla

noun

pre·max·il·la | \ ˌprē-mak-ˈsil-ə

plural premaxillae\ -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