temporalis muscle

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tem·po·ra·lis mus·cle

(tem-pŏr-ālis mŭsĕl)
Origin, temporal fossa; insertion, coronoid process of mandible and anterior border of ramus; action, elevates mandible (closes jaw); its posterior, nearly horizontally-oriented fibers are the primary retractors of the protruded mandible; nerve supply, deep temporal branches of mandibular division of trigeminal.
Synonym(s): musculus temporalis [TA] , temporal muscle.

temporalis muscle

Muscle of mastication. Origin: temporal fossa of skull. Insertion: coronoid process of mandible. Nerve: trigeminal (CN V). Action: closes mouth, clenches teeth, retracts jaw.
See: headfor illus.
See also: muscle

tem·po·ra·lis mus·cle

(tem-pŏr-ālis mŭsĕl)
Origin, temporal fossa; insertion, coronoid process of mandible and anterior border of ramus; action, elevates mandible (closes jaw); its posterior, nearly horizontally-oriented fibers are the primary retractors of the protruded mandible; nerve supply, deep temporal branches of mandibular division of trigeminal.
Synonym(s): musculus temporalis [TA] , temporal muscle.
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