masticatory muscles
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masticatory muscles
[TA]muscles derived from the first (mandibular) arch used in chewing; all receive innervation from the motor root of the trigeminal nerve via its mandibular division; includes masseter muscle, temporalis muscle, lateral pterygoid muscle, and medial pterygoid muscle.
Synonym(s): musculus masticatorii [TA], muscles of mastication, musculi masticatorii
mas·ti·ca·to·ry mus·cles
(masti-kă-tōr-ē mŭsĕlz) [TA]Muscles derived from first (mandibular) arch used in chewing; all receive innervation from motor root of trigeminal nerve via its mandibular division; includes masseter muscle, temporalis muscle, lateral pterygoid muscle, and medial pterygoid muscle.