ANS - The Peripheral Nervous System (Autonomic Division)...

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The Peripheral Nervous System (Autonomic Division) Assigned reading: Chapter 14 (pp. 514-528)
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Objectives: 1. Understand the differences between the somatic and autonomic nervous systems 2. Describe the pathway taken by autonomic neurons within spinal nerves 3. Understand the physiological roles of the autonomic nervous sytem
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Central Nervous System Peripheral Nervous System Sensory Division Motor Division Somatic NS Autonomic (Visceral) NS Sympathetic Division Parasympathetic Division Divisions of Nervous System
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The Autonomic Nervous System Refers specifically to the Visceral Motor Division Regulates internal environment of the body Effectors include Smooth muscle Cardiac muscle Glands Unlike Somatic Motor System, Contains 2 neurons from CNS to effector Neurotransmitter: either ACh or Norepinephrine Either NT may be stimulatory or inhibitory
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Parasympathetic (Craniosacral) Division Preganglionic neurons are long Peripheral ganglion is site of synapse
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This note was uploaded on 06/10/2010 for the course BIOL 252 taught by Professor Johnson during the Spring '07 term at UNC.

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ANS - The Peripheral Nervous System (Autonomic Division)...

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