Anatomy · Head and Neck

Muscles of mastication and mandibular nerve

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  • Mandibular nerve: largest of the three divisions of the trigeminal nerve, a mixed sensory and motor nerve of the first pharyngeal arch.
  • Muscles of mastication: four principal muscles that move the mandible at the temporomandibular joint, all supplied by the mandibular nerve.

Classification of the Muscles of Mastication

Groups of muscles of mastication

Group

Principal

Muscles
Temporalis, masseter, lateral pterygoid, medial pterygoid

Accessory

Muscles
Digastric, buccinator, mylohyoid, geniohyoid

muscles of mastication, movements at the temporomandibular joint Muscles of mastication, movements at the temporomandibular joint.