Definition of Cheek muscle
1. Noun. A muscle that flattens the cheek and retracts the angle of the mouth.
Medical Definition of Cheek muscle
1.
Origin, posterior portion of alveolar portion of maxilla and mandible and pterygomandibular raphe; insertion, orbicularis oris at angle of mouth; action, flattens cheek, retracts angle of mouth; nerve supply, facial. Plays an important role in mastication, working with tongue to keep food between teeth; when it is paralysed, food accumulates in the oral vestibule.
A muscle of the cheek; so called from its use in blowing wind instruments.
Origin: L, a trumpeter, fr. Bucinare to sound the trumpet.
Synonym: musculus buccinator, cheek muscle.
(05 Mar 2000)
Lexicographical Neighbors of Cheek Muscle
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