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MCB 32 chap9 - Neurotransmitter of preganglionic neuron Ach...

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MCB 32 : Human Physiology Jason Yu (  [email protected]   ) Discussion Sections 107  W8-9    182 Dwinelle 108  W3-4    122 Wheeler 111  M1-2    215 Dwinelle Office Hour F 9:30-11   449 LSA Chap9 A. The Autonomic Nervous System <  Sympathetic vs. Parasympathetic  >  from the website : http://www.quitdoc.com/doctor/SmartShot.html Sympathetic Parasympathetic
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Function Both are controlling the activities of cardiac muscle, smooth  muscle, and glands Response in the body Fight or Flight Rest and Digest Origin of the  preganglionic fibers Thoracic, Lumbar Cranial, Sacral ex. Vagus nerve(cranial X)  – to whole body Location of the  ganglion Paravertebral ganglia (Near  Spine!) Cf. Adrenal Glands medulla :  epinephrine, norepinephrine  (hormone) releasing in the Organ
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Unformatted text preview: Neurotransmitter of preganglionic neuron Ach nAchR Ach nAchR Neurotransmitter of postganglionic neuron Norepinephrine adrenergic receptor ( , ) α β Ach mAchR Ganglion – preganglionic neuron vs. postganglionic neuron Spinal cord Cervical / Thoracic / Lumbar / Sacral (Cf. Cranial nerves) Adrenergic (- adrenaline=epinephrine) vs. Cholinergic (- Acetylcholine) Synapses en passant = Synapses in passing ( varicosity : swellings in the axon) Medulla oblongata – control of cardiovascular, pulmonary, urinary, reproductive… Hypothalamus – control of body temp, hunger, thirst / emotion Limbic system – emotional states Cerebellum – motion sickness...
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  • Fall '08
  • Medulla oblongata, preganglionic neuron Neurotransmitter, postganglionic neuron Spinal, Adrenal Glands medulla, Sacral ex. Vagus, Cf. Cranial nerves

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