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The Path of the Facial Nerve Through the Temporal Bone and the Muscles of Facial Expression and Innervation by Cranial Nerve VII (Facial Nerve)

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Instant Anatomy - Head and Neck - Nerves - Cranial - VII (Facial nerve)

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The most common form of facial nerve palsy due to birth trauma involves only the lower part of the facial nerve. This part controls the muscles around the lips. The muscle weakness is mainly noticeable when the infant cries. The newborn infant may have the following symptoms: Eyelid may not close on affected side Lower face (below eyes) appears uneven during crying Mouth does not move down the same way on both sides while crying No movement on the affected side of the face (severe…

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Branches of facial nerve: Temporal, Zygomatic, Buccal, Mandibular, Cervical... It branches out to innervate the muscles of the face and scalp, and also the salivary glands and lacrimal glands of the eye . Sensory information comes from the tongue.

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