BUCCINATOR

n. in anatomy, pertains to the cheek muscles which aid in chewing, eating, smiling, and speaking. For instance, during speech, these are the muscles which compress air and force it out of the mouth between the lips.

BUCCINATOR: "The buccinator is a large, flat muscle which occupies the area between the upper and lower jaw."
Cite this page: Nugent, Pam M.S., "BUCCINATOR," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/buccinator/ (accessed April 23, 2018).
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