buccinator

buccinator definition - medical

buc·ci·na·tor (bŭkˈsə-nāˌtər)

noun
A muscle with origin from the alveolar portion of the maxilla, mandible, and pterygomandibular ligament, with insertion into the orbicular muscle of the mouth, with nerve supply from the facial nerve, and whose action flattens the cheek and retracts the angle of the mouth. Also called cheek muscle.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.