premaxillary adjective & noun. [pri:mak'sɪlǝri] M19.
[from PRE- 2 + MAXILLARY.]
Anatomy & Zoology.
A. adjective. Situated in front of the upper jaw; esp. designating either of a pair of bones of the upper jaw situated in front of and between (and in humans fused with) the maxillae. M19.
b. noun. A premaxillary bone. M19.

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