Written by Max Bidewell

Last updated January 16, 2023 • 4 Revisions

The temporalis is a muscle of mastication (chewing). It is located on the lateral aspect of the skull.

  • Attachments: Originates from the temporal fossa of the skull and attaches onto the coronoid process of the mandible.
  • Actions: Elevation of the mandible (closing the mouth). Also performs retraction of the mandible, moving the jaw posteriorly.
  • Innervation: Mandibular nerve (V3).
  • Blood supply – Maxillary artery and superficial temporal artery.

Fig 1
The temporalis muscle.

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