facial nerve

either one of the seventh pair of cranial nerves composed of motor fibers that control muscles of the face except those used in chewing.

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      nerve that originates in the area of the brain called the pons and that has three types of nerve fibres: (1) motor fibres to the superficial muscles of the face, neck, and scalp and to certain deep muscles, known collectively as the muscles of facial expression; (2) sensory fibres, carrying impulses from the taste sensors in the front two-thirds of the tongue and general sensory impulses from tissues adjacent to the tongue; and (3) parasympathetic fibres (part of the autonomic nervous system) to the ganglia (groups of nerve cells) governing the lachrymal (tear) glands and certain salivary glands.

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Universalium. 2010.

Look at other dictionaries:

  • Facial nerve — Nerve: Facial nerve Cranial nerve VII The nerves of the scalp, face, and side of neck …   Wikipedia

  • 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… …   Medical dictionary

  • facial nerve — noun cranial nerve that supplies facial muscles • Syn: ↑facial, ↑nervus facialis, ↑seventh cranial nerve • Derivationally related forms: ↑facial (for: ↑facial) • …   Useful english dictionary

  • facial nerve — the seventh cranial nerve (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 …   The new mediacal dictionary

  • facial nerve — fa′cial nerve n. anat. either one of the seventh pair of cranial nerves, in mammals supplying facial muscles, the taste buds at the front of the tongue, the tear glands, and the salivary glands • Etymology: 1810–20 …   From formal English to slang

  • facial nerve — cranial nerve VII. In fishes, motor to muscles of hyoid arch (hyomandibular); sensory to geniculate ganglion, sensory to taste bud system; sensory to lateral line organs of snout. See cranial nerves …   Dictionary of ichthyology

  • facial nerve — noun Date: circa 1818 either of the seventh pair of cranial nerves that supply motor fibers especially to the muscles of the face and jaw and sensory and parasympathetic fibers to the tongue, palate, and fauces …   New Collegiate Dictionary

  • facial nerve — noun The seventh (VII) of twelve paired cranial nerves …   Wiktionary

  • Facial nerve paralysis — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICD9|351 ICDO = OMIM = MedlinePlus = eMedicineSubj = plastic eMedicineTopic = 522 MeshID = D005158Facial nerve paralysis is a common problem that involves the paralysis of any… …   Wikipedia

  • Facial nerve paralysis — Loss of voluntary movement of the muscles on one side of the face due to abnormal function of the facial nerve (also known as the 7th cranial nerve) which supplies those muscles. Facial nerve paralysis is also called Bell’s palsy. The cause of… …   Medical dictionary

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