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Showing posts from May 24, 2010

AMYOTROPHIC LATERAL SCLEROSIS - AN EXPLANATION - LESSON 199

ALS is nothing but amyotrophic lateral sclerosis. The other name of this disease is Lou Gehrig's disease. Amyotrophy means muscle wasting caused by disease of the nerves that supply to the muscles.  The cause is unknown yet medically. A- means nothing, myo-means muscle, and -trophy means growth, sclerosis means hardening or thickening. That is a state in which muscle gets hardened or thickened due to no sensation.   Our nervous system is of two types that is Central nervous system and peripheral nervous system (PNS).  Central nervous system includes brain and spinal cord and the nerves associated with it that is integrative and control centers of the body (central and autonomic nerves).  Peripheral nervous system consists of the cranial nerves (nerves that connect eyes, ears, nose, and mouth to the brain) and spinal nerves (nerves connect the brain to the hands and feet).  Peripheral nervous system is an extension of central nervous system, which unites CNS to the upper and