Facial nerve distribution

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The facial nerve is one of the key cranial nerves with a complex and broad range of functions. Although at first glance it is the motor nerve of facial expression which begins as a trunk and emerges from the parotid gland as five branches see facial nerve branches mnemonicit has taste and parasympathetic fibers that relay in a complex manner. The facial nerve is the only cranial nerve that may show normal post-contrast enhancement, although this applies only to the labyrinthine segment up to the stylomastoid foramen.

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In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its terminal branches. The course of the facial nerve is very complex. There are many branches, which transmit a combination of sensory, motor and parasympathetic fibres.

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Selected Topics in Facial Nerve Disorders. It innervates all superficial muscles of the face and scalp, the contraction of which is responsible for all our numerous facial expressions like anger, pain, fear, smile, etc. Facial disfigurement resulting from facial nerve disorders can affect the physical, psychological, and emotional integrity of an individual.

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When refering to evidence in academic writing, you should always try to reference the primary original source. That is usually the journal article where the information was first stated. In most cases Physiopedia articles are a secondary source and so should not be used as references. Physiopedia articles are best used to find the original sources of information see the references list at the bottom of the article.

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Your cranial nerves are pairs of nerves that connect your brain to different parts of your head, neck, and trunk. There are 12 of them, each named for their function or structure. This is based off their location from front to back.

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Eyelid muscle innervation is achieved by cranial nerve VII the facial nervecranial nerve III the oculomotor nerveand sympathetic nerve fibers. The facial nerve CNVII innervates the obicularis oculi, frontalis, procerus, and corrugator supercilii muscles, and supports eyelid protraction. The temporal and zygomatic branches of the facial nerve supply the obicularis oculi, the main eyelid protractor.

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Generally in any parotid surgery it is necessary to identify the trunk and branches of the facial nerve. For damage to this nerve or its branches may have irreparable consequences. The purpose of this study was to evaluate the frequency of anatomical variation of facial nerve branching in patients undergoing parotid surgery.

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Methods are suggested for avoiding, isolating, and protecting the facial nerve branches during surgical procedures. Bernstein L, Nelson RH. Arch Otolaryngol.

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NCBI Bookshelf. Dominika Dulak ; Imama A. Authors Dominika Dulak 1 ; Imama A.

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