Recent Examples of premaxilla from 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.
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Origin and Etymology of premaxilla
First Known Use: 1850See Words from the same year
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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