INNERVATION OF FACIAL MUSCLES OF EXPRESSION AND MMASTICATION MADE SIMPLE

INNERVATION OF MUSCLES OF FACIAL EXPRESSION & MASTICATION

Physio 2- -201311/28/2013 Justice-Patrick-Roselyn-Alex-Naomi-

Chimwemwe-Haules:PHYSIO 2-2013

Justice-Patrick-Rosaline-Alex-Naomi-Chimwemwe-Haules:PHYSIO 2-2013

OUTLINE

Recall 12 cranial nerves Recall muscles of facial expression Branches of Facial nerve Innervation of muscles of facial

expression Recall muscles of mastication Branches of Trigeminal Nerve Innervation of muscles of

mastication

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CRANIAL NERVES

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MUSCLES OF FACIAL EXPRESSION

•

Platysma

Anterior auricular superior auricular

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All facial muscles are innervated by facial nerve(CN VII)

• Facial nerve has 5 terminal motor branches

TemporalZygomaticusBuccalMarginal mandibularCervical

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BRANCHES OF CN VII

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INNERVATION OF FACIAL EXPRESSION MUSCLES

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Cont…

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MUSCLES OF MASTICATION

• All muscles of mastication are innervated by mandibular nerve from trigeminal nerve( CN V)

11/28/2013 Justice-Patrick-Rosaline-Alex-Naomi-Chimwemwe-Haules:PHYSIO 2-2013


BRANCHES OF TRIGEMINAL NERVE (CN V)

1. Ophthalmic nerve(V1)2. Maxillary nerve(V2)3. Mandibular nerve (V3)

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MANDIBULAR NERVE

Branches from the main trunk of the m.n Meningeal branch Nerve to medial ptergoidBranches from the anterior division of the m.n Masseteric nerve Deep temporal nerve Nerve to lateral ptergoid Buccal nerveBranches from the posterior division of m.n

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INNERVATION OF MASTICATION MUSCLES

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REFERENCE

• Moore K , Dalley A & Agur A: Clinical Oriented Anatomy-Sixth Edition

• Drake R, Volgi W & Mitchell A: Gray’s Anatomy for students

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RELAX &

CHILLJUSTICENAOMI

CHIMWEMWE

ALEX

HAULES

PATRICK

ROSALINE11/28/2013

Health & Medicine

INNERVATION OF FACIAL MUSCLES OF EXPRESSION AND MMASTICATION MADE SIMPLE