پاورپوینت کلیات اعصاب اتونوم

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NERVOUS SYSTEM 

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ANS 

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الیاف پیش سیناپسی سمپاتیک : بخشهای سینه ای۲1-712 و کمری نخاع 11-15 الیاف پیش سینایسی پاراسمپاتیک : هسته های اعصاب مغزی 7-3- 109 و بخش خاجی 51-54 

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SYMPATHETI Sympathetic Ganglia, 0 5 ‏ههه نمم هدام‎ = 1 Seay ‏"اس‎ ‎Inhibits 2 + one Stimulate = py 1 1 | = 5 | Decreases Heart Rate Bonds : eee _ = ‏سس‎ Deg Bron Ine Digestion 4) “Contractility Stimulates Digestion Stimulates Glucose Release by Liver. ‏ل‎ ‘Stimulates Epinephrine & Stimulates Norepinephrine Release 7 Gallbladder plone Baie 7# Sider ‘Contracts Rectum 5 ‏تا‎ Orgasm ۱ Ejaculation Relaxes Rectum Vaginal Lubrication Erection Peripheral Vasoconstriction iwww.payamesalamat.com Peripheral Vasodilation 

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constrict Pups ‘Stimulates Salvation Slows Heanest ‘Stimulates Glucose Ratease aD ‘Stimulate Epinephcine and ‘Norepinepirne Melasse Int Ponstatsis ‏یت اس‎ Chain of ‏الام مويق‎ Corse ‘Sinader ‏وم ممم‎ Biadder Schema Explaining How Parasympathetic and Sympathetic Nervous Systems Regulate Functioning Or. 

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Ach ACh ach ach ‏وعم‎ ACh ach ACh ch ch cn Ch ACh = ACh = ACh ch ch; ACh eal AChE: ace genes ‏وهم وعم‎ ACh ACHR: many genes \ 

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DIRECT-ACTING PARASYMPATHOMIMETIC (CHOLINERGIC DRUGS) (cholinergic drug) (cholinesterase drug) Direct-acting parasympathomimetic Indirect-acting parasympathomimetic | (BB) (pen) (ACh) — 7 روم ‎(aon)‏ رتم ۲ ۱ | ‎(ch)‏ ‏ل 2 ۱ 07 2 ache) 

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Prejunctional Diffuse into eel » Blood 08/4! Tyr (NE my “pa 3 00۳۸ -< 0۸-۳ > > !! Postiunctional oD NE“ NE Receptor Nerve Terminal ‏تچ‎ J Extraneuronal 1 Uptake Neuronal Metabolized + ‏رم‎ ++ Reuptake Cal” (iocked by cocaine) Tyr = tyrosine; TH = tyrosine hydroxylase; DD = DOPA decarboxylase; DA = dopamine; DBH = dopamine f-hydroxylase; NE = norepinephrine 

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Norepinephrine 00 Normetanephrine | MAO ۳ Dihydroxymandelic__ COMT Vanillyimandelic acid acid (VMA) f MAO {mao COMT Epinephrine —————~—~—» Metanephrine MAO = monoamine oxidase COMT = catechol-O-methyltransferase 

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SYMPATHETIC RESPONSE" PARASYMPATHETIC RESPONSE" Dilates pusis Constriets pupils ‘Consiicis bronchicles Dies bonis ‏رب‎ | Increases heart rate Decreases heart rate of gastrointestinal tract Felaxes bladder muscle Flange uterine muscle ~ Relaxas smooth muscles 162856866886 1 BODY TISSUE/ORGAN a) | Blood vessels mee Gastrointestinal 

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A U T O N O M IC N E R V O U S S Y S T E M NERVOUS SYSTEM  ANS acts on smooth muscles & glands - Controls & regulation of the heart, respiratory. system, GI tract, bladder, eyes & glands - Involuntary - person has little or no control  Somatic - voluntary - person has control (skeletal muscle) ANS  ANS has 2 sets of neurons: Afferent (sensory) - sends impulses to the CNS for .1 interpretation Efferent - receives impulses (info.) from the brain & .2 transmits from the spinal cord to the effector organ cells branches 2 sympathetic & parasympathetic nervous system  Central Nervous System (CNS) - Brain and spinal cord  Peripheral Nervous System (PNS) - Located outside the brain & spinal cord Autonomic Nervous System (ANS) & * the somatic  The PNS receives stimuli from the CNS & initiates responses to the stimuli after it’s interpreted by the brain الیاف پیش سیناپسی سمپاتیک :بخشهای سینه ایT1-T12 کمری نخاع L1-L5 و الیاف پیش سیناپسی پاراسمپاتیک :هسته های اعصاب مغزی -7-3 10-9و بخش خاجی s1-s4 DIRECT-ACTING PARASYMPATHOMIMETIC (CHOLINERGIC DRUGS) FIGURE 20-2. SYMPATHETIC AND PARASYMPATHETIC EFFECTS ON BODY TISSUES متشکرم