Neurology - Neurology I.Introduction(p.262) A....

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    Neurology
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    I. Introduction (p. 262)  A. Nervous system conditions and  diseases affect millions of lives in the U.S. B. Common ones include: 1. Strokes  2. Epilepsy 3. Parkinson's disease 4. Multiple sclerosis 5. Syncope 6. Headache
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    I. Nervous System Review A. Central Nervous System 1. Brain  2. Spinal Cord B. Peripheral Nervous System 1. Somatic Nervous System 2. Autonomic Nervous System a. Sympathetic b. Parasympathetic Jen’s notes
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    II. Anatomy and physiology  A. Central nervous system  1. Neurons, synapses, and  neurotransmitters  Jen’s notes:  fundamental unit = nerve cell = neuron neuron consists of: soma, nucleus,  dendrites, axons(pg 250)
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    Jen’s notes Soma = cell body, contains nucleus Dendrites = impulse to the soma Axons = impulse away from soma Synapses = neuron junctions  Neurotransmitter = communication between synapses acetylcholine – neurotransmitter for parasympathetic norepinephrine – neurotransmitter for sympathetic
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    2.Protective structures a. Bones  b.  Membranes c. Cerebrospinal fluid
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    Jen’s Notes Skull – frontal, occipital, parietal,  Spine – 7 cervical, 12 thoracic, 5 lumbar
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    Jen’s notes Meninges – protective membrane covers entire  central nervous system 1. Dura Mater– outermost, durable 2. Arachnoid Membrane – middle, weblike 3. Pia Mater – innermost, touches CNS Pg 254
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    3.Brain  a. Divisions 1) Cerebrum 2) Diencephalon 3) Mesencephalon or midbrain 4) Pons 5) Medulla oblongata 6) Cerebellum
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    Jen’s Notes Cerebrum - largest portion - 2 hemispheres joined by corpus  callosum - sensory & motor - intelligence, learning, analysis,  memory & language - cerebral cortex = outermost layer
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    Jen’s Notes Diencephalon - lying beneath cerebrum - thalamus - hypothalamus - pituitary gland - limbic system - temp regulation, sleep, water balance,  stress response, emotion
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Neurology - Neurology I.Introduction(p.262) A....

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