##  [Temporalis Muscle](/index.php/temporalis-muscle) 

  ##  [Temporalis Muscle](https://health.quantumdictionary.io/temporalis-muscle-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A fan-shaped muscle of mastication arising from the temporal fossa and temporal fascia and inserting on the coronoid process and anterior border of the mandibular ramus; its contraction elevates the mandible and the posterior fibers contribute to mandibular retraction. It is innervated by the mandibular (V3) branch of the trigeminal nerve.