3 Nervous System Organization Notes Copy.pdf - 3 NERVOUS SYSTEM ORGANIZATION CASESTUDY R S Theater manager enjoyedlife repairingroof feltnumbness in

3 Nervous System Organization Notes Copy.pdf - 3 NERVOUS...

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3 NERVOUS SYSTEM ORGANIZATION CASE STUDY R S Theater manager enjoyed life repairing roof felt numbnessin left arm suffered from stroke CT damage to right frontal cortex decreased blood flow no treatment rehab can walk again stiff left leg did not use left arm was apathetic did not enjoy life Stroke Interception of blood flowtobrain kills braincells t sudden neurological symptoms Ischemia causes strokes deficientblood flow to brainfrom functionalconstruction or acutal Obstruction of a bloodvessel by a clot Ischemicstrokecan betreated when t PA is administered 3h Tissue plasminogen activator t PA drug that breaks up clots t allow return of normal blood flow Hemm or tragic stroke moresevere stroke from a burst vessel bleeding into the brain Anti clotting drug 3rd leading cause of death tissuedeath in ischemic strokes Leading cause of LT disability A tissue death in hemmonagic strokes in U.S every 40 Sec any age smoking diet bp Nuclei In Soma of cell contains DNA essentialto cell function Tract large collection of axons coursingtogether WII CNS fibre pathway 31 NEUROANATOMY FINDING YOUR WAY AROUND THEBRAIN Animals Dorsal Ventral Describing Location in the Brain HumansAnterior posterior Body parts Back Superior Beak Tail Stomach Inferior Face Centre Frontal Side
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3 2 OVERVIEW OF NERVOUS SYSTEM STRUCTURE FUNCTION somatic body nervous system SNS 2 sets of input t output to CNS spinal cranial to and from sensory organs and muscles joints t SKIN SNStransmits sensory info to CNS produces movements in response Autonomic Nervous System ANS automatic controls function of bodys internal organs through parasympathetic nerves rest t digest calming sympathetic nerves fight or flight arousing support Protect 1 Brain Skull Spine bony vertabre CNS in bony encasement s self repair is limited PNS SNS ANS outside encasement can repair themselves
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