A fan-shaped muscle that runs from the side of the skull to the back of the lower jaw and is involved in closing the mouth and chewing.
- There are thirty-two segments devoted to a particular muscle, such as the temporalis.
- The mass was palpable along the right temporalis muscle.
- The first masticatory jaw motions involve irregular contractions of both the masseter and temporalis muscles.
Late 17th century: from late Latin.
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