The Muscles Of Mastication - Attachments - Actions - TeachMeAnatomy
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The muscles of mastication are associated with movements of the jaw (temporomandibular joint). There are four muscles:
- Masseter
- Temporalis
- Medial pterygoid
- Lateral pterygoid
The muscles of mastication develop from the first pharyngeal arch. They are therefore innervated by a branch of the trigeminal nerve (CN V), the mandibular nerve.
In this article, we shall look at the anatomy of the muscles of mastication – their attachments, actions, and innervation.
(NB: It is important to note that all the muscles mentioned here are bilateral structures).
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