Facial nerve

Facial nerve
The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming in (both efferent and afferent fibers). It supplies the muscles of facial expression. Paralysis of the facial nerve causes a characteristic picture with drooping of one side of the face, inability to wrinkle the forehead, inability to whistle, inability to close the eye and deviation of the mouth toward the other side of the face. Paralysis of the facial nerve is called Bell's palsy.

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facial nerve n either of the seventh pair of cranial nerves that supply motor fibers esp. to the muscles of the face and jaw and sensory and parasympathetic fibers to the tongue, palate, and fauces called also seventh cranial nerve, seventh nerve

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the seventh cranial nerves (VII): a mixed sensory and motor nerve that supplies the muscles of facial expression, the taste buds of the front part of the tongue, the sublingual salivary glands, and the lacrimal glands. A small branch to the middle ear regulates the tension on the ear ossicles.

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nervus facialis.

Medical dictionary. 2011.

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