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ORGANIZATION OF ANS-I By Dr.Sajid Hussain OBJECTIVES Recall the anatomic organization of ANS Discuss the synthesis, actions and degradation of neurotransmitters – ach & NA Explain cholinergic transmission Describe adrenergic transmission OBJECTIVES Recall the anatomic organization of ANS Discuss the synthesis, actions and degradation of neurotransmitters – ach & NA Explain cholinergic transmission Describe adrenergic transmission
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Organization of Nervous system
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Organization of ANS
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ParasympatheticSympathetic OriginCranio-sacralThoraco-lumbar GangliaUsually terminal or embedded in the supplied organ Usually paravertebral in the sympathetic chain PreganglionicLongshort PostganglionicShortLong innervationMost organs receive dual innervation Control Almost all organs except B.V.Most of blood vessels Actions Usually localized Conserve energy and discharge (rest, digestion & waste removal) Usually generalized Stress( fight and flight)
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Organization of ANS
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Actions of Parasymthetic Ach & NA
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Synthesis, Storage, release & degradation of Ach
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Synthesis of Ach
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Storage, release and degradation
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Cholinergic transmission
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Synthesis, Storage, release & degradation of NA
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Reuptake of catecholamines
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Adrenergic transmission
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summary
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References Lippincott’s Illustrated review of pharmacology – 4 th edition Basic & clinical pharmacology, Bertram G katzung- 12 th edition Goodman & Gilman’s -pharmacology Lippincott’s Illustrated review of pharmacology – 4 th edition Basic & clinical pharmacology, Bertram G katzung- 12 th edition Goodman & Gilman’s -pharmacology
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