buccinator

(redirected from buccinators)
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Related to buccinators: masseter, Orbicularis oris, Buccinator nerve

buc·ci·na·tor (mus·cle)

[TA]
facial muscle of cheek; origin, posterior portion of alveolar portion of maxilla and mandible and pterygomandibular raphe; insertion, angle of mouth; also become interspersed with more horizontal portions of the orbicularis oris; action, flattens cheek, retracts angle of mouth; plays an important role in mastication, working with tongue and orbicularis oris muscle to keep food between teeth; when it is paralyzed, as in Bell palsy, food accumulates in the oral vestibule; nerve supply, facial.

buccinator

(bŭk′sĭ-nā′tər)
n.
The thin, flat muscle forming the wall of the cheek.

buccinator

[buk′sinā′tər]
Etymology: L, buccina, trumpet
the main muscle of the cheek, one of the 12 muscles of the mouth. It is pierced by the duct of the parotid gland opposite the second molar tooth. The buccinator, innervated by buccal branches of the facial nerve, compresses the cheek, acting as an important accessory muscle of mastication by holding food under the teeth.
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Buccinator

buccinator

Latin: trumpeter; A muscle of the cheek.

Action
Retracts angle of mandibula, compresses cheek.
 
Nerve
Buccal branch of facial.

Origin
Buccinator ridge of mandible, alveolar process of maxilla, pterygomandibular ligament.
 
Insertion
Orbicularis oris at angle of jaw.

buc·ci·na·tor mus·cle

(bŭk'si-nā'tŏr mŭs'ĕl)
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 paralyzed, food accumulates in the oral vestibule.
Synonym(s): musculus buccinator [TA] .