Muscles of facial expression and mastication

Muscles of facial expression and mastication

Muscles of facial expression and mastication Tag: muscles of facial expression and mastication This site uses cookies: The Frontalis and Occipital muscles are part of the epicranius and primarily responsible to create the expressions of surprise and fright by tightening the entire scalp. They serve little importance in humans. Another important function is facial expression. The superficial facial muscles affect the health of the skin and mucous membranes. Fig 3 — The main oral muscles of facial expression. They are both innervated by the facial nerve. These muscles are located medially to the ears, superior to the mandible, and inferior to coronal suture of the skull.

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Muscles of facial expression and mastication