Peripheral Nervous System: Cranial Nerves - facial nervous sysyem


facial nervous sysyem - Facial Paralysis: Causes, Symptoms, & Diagnosis

Oct 27, 2017 · As the facial nerve passes through the temporal bone, several smaller nerves branch off from the main nerve, including the greater (superficial) petrosal nerve and the chorda tympani. Nerve fibers from the greater (superficial) petrosal nerve stimulate the lacrimal glands to produce tears and. Jul 27, 2017 · Nervous system disease including stroke involving the brain stem; Infection of the ear or face, or herpes zoster of the facial nerve (Ramsay Hunt syndrome) Tumors including acoustic neuroma, schwannoma, cholesteatoma, parotid tumors, and glomus tumors; Toxins due to alcoholism or carbon monoxide poisoning.

Four divisions of the Peripheral Nervous System (PNS) Somatic sensory system are widely spread throughout the body that deal with touch, pain, vibration, pressure, temperature, proprioception, hearing, balance and vision. Visceral sensory system deals with . Facial paralysis occurs during a stroke when nerves that control the muscles in the face are damaged in the brain. Depending on the type of stroke, damage to the brain cells is caused by either lack of oxygen or excess pressure on the brain cells caused by bleeding. Brain cells can Author: Danielle Moores.

Complete facial paralysis is an inability to move the eyelids, ears, lips, or nostrils. Facial paresis is reduced movement of the muscles of facial expression and indicates milder nucleus or nerve involvement. The nucleus of the facial nerve is located in the rostral medulla oblongata of the brain stem. The central nervous system consists of the brain and spinal cord (see Multimedia File 1). Cerebrospinal fluid surrounds the brain and the spinal cord and also circulates within the cavities (called ventricles) of the central nervous system. The leptomeninges surround the brain and the spinal cord.

Autonomic nervous system: Consisting of the sympathetic and parasympathetic division, these nerves regulate body processes such as blood pressure and the rate of breathing. This system works automatically without conscious effort. Trigeminal neuralgia causes facial pain. Trigeminal neuralgia develops in mid to late life. The condition is the most frequently occurring of all the nerve pain disorders. The pain, which comes and goes, feels like bursts of sharp, stabbing, electric-shocks.

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