Vitamin C Peripheral neuropathy is a condition which describes damage to the peripheral nervous system, which transmits information from the brain and spinal cord to the rest of the body. This can result in pain, loss of feeling, and inability to control muscles.
Facial nerve disorders affect the muscles of the face. There are many causes of facial nerve disorders. A number of tests can be helpful to diagnose the cause of a facial nerve disorder.
The treatment of a facial nerve disorder depends on the cause and severity. What is the facial nerve? Share Your Story The facial nerve is a nerve that controls the muscles on the side of the face. It allows us to show expression, smile, cry, and wink.
Injury to the facial nerve can cause a socially and psychologically devastating physical defect; although most cases resolve spontaneously, treatment may ultimately require extensive rehabilitation or multiple procedures. The facial nerve is the seventh of the twelve cranial nerves.
Everyone has two facial nerves, one for each side of the face. The facial nerve travels with the hearing nerve the eighth cranial nerve as it travels in and around the structures of the middle ear.
It exits the front of the ear at the stylomastoid foramen a hole in the skull basewhere it then travels through the parotid gland. In the parotid gland it divides into many branches that provide motor function for the various muscles and glands of the head and neck.
What are symptoms of a facial nerve problem? Share Your Story Facial nerve problems may result in facial muscle paralysisweaknessor twitching of the face. Dryness of the eye or the mouth, alteration of taste on the affected side, or even excessive tearing or salivation can be seen as well.
However, the finding of one of these symptoms does not necessarily imply a specific facial nerve problem; the physician needs to make a careful investigation in order to make a precise diagnosis. Symptoms of a facial nerve problem can vary in severity depending upon the extent of the injury to the nerve.
Symptoms may range from mild twitching to full paralysis of the muscles on one side of the face. What conditions affect the facial nerve? There are numerous causes of facial nerve disorder: Causes of facial nerve disorder vary from unknown to life threatening. Sometimes, there is a specific treatment for the problem.
Accordingly, it is important to investigate why the problem has occurred. The specific tests used for diagnosis will vary from patient to patient, but include: Hearing tests are done to assess the status of the auditory nerve.
The stapedial reflex test can evaluate the branch of the facial nerve that supplies motor fibers to one of the muscles in the middle ear. Will help find out if part of the auditory nerve is involved.
The loss of the ability to form tears may help to locate the site and severity of a facial nerve lesion. The loss of taste in the front of the tongue may help locate the site and severity of a facial nerve lesion. Decreased flow of saliva may help locate the site and severity of a facial nerve lesion.
These tests help determine if there is infection, a tumora bone fractureor any other abnormality. Electrical nerve stimulation tests: Stimulation of the nerve by an electrical current tests whether the nerve can still cause muscles to contract.
It can be used to evaluate progression of the disease. For example, if testing indicates equal muscle response on both sides of the face, the patient can be expected to have complete return of facial function in three to six weeks without significant deformity. The diagnosis is made when no other cause can be identified.
Primary viral infection herpes sometime in the past. The virus lives in the nerve geniculate ganglion from months to years. The virus becomes reactivated at a later date.
The virus reproduces and travels along the nerve.Chapter 11 - Sensory Systems THE EAR. Marcel-André Boillat. Anatomy. The ear is the sensory organ responsible for hearing and the maintenance of equilibrium, via the detection of .
Autonomic Nervous System Overview. Autonomic Nervous System Overview. Osteoporosis is common, occurring in upwards of 10 percent of adults over age 50, One out of every two women over the age of 50 will break a bone in their lifetime due to osteoporosis.
Men are not immune to this problem. 30% of osteoporosis happens in males.
Osteoporosis which is . Schwann cells (named after physiologist Theodor Schwann) or neurolemmocytes are the principal glia of the peripheral nervous system (PNS). Glial cells function to support neurons and in the PNS, also include satellite cells, olfactory ensheathing cells, enteric glia and glia that reside at sensory nerve endings, such as the Pacinian regardbouddhiste.com two types of Schwann cells are myelinating and.
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The inflammatory and repair processes are no longer simple events to describe in the light of the ever increasing knowledge in this field. This review is only a brief resume of the salient events associated with tissue repair, with an emphasis on the soft tissues rather than the classical 'wounds' approach.