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Nervoussyspowerpoint

Nervoussyspowerpoint - Section 3 of Course Nervous System...

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Section 3 of Course Nervous System Skeletal System & Joints Muscle Reproduction, Development, Childbirth, Contraception
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The Nervous System Chapter 7 Chapter 8 Chapter 9 Chapter 10
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Nervous System Overview Central nervous system Nuclei Tracts Peripheral nervous system Cranial nerves – 12 pair Spinal nerves – 31 pair Definitions Nerve Ganglia Sensory neurons Motor neurons Effector organs » Somatic motor – innervate skeletal muscles » Autonomic motor – involuntary effector organs- smooth muscle, cardiac muscle, glands » Sympathetic branch » Parasympathetic branch
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Neuroglia: supporting cells and their functions Brain tumors Types Peripheral system Schwann cells - Guillain-Barre syndrome Satelite cells = ganglionic gliocytes CNS Oligodendrocytes - Multiple Sclerosis Astrocytes Microglia Ependyma
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Schwann Cells
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CNS Glial Cells
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Autonomic Nervous System Provides autonomic control of involuntary effectors Two neurons between the CNS and effector Preganglionic neuron → acetylcholine Postganglionic Sympathetic → norepinephrine , + Parasympathetic → acetylcholine Divisions of the Autonomic nervous system Sympathetic (Thoracolumbar) Division: T 1 → L 2
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Overview of the Autonomic Nervous System
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Sympathetic Chain of Paravertebral Ganglia
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Mass Activation and Splanchnic Nerves
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Abdominal Ganglia
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Autonomic Nervous System Divisions of the autonomic nervous system Parasympathetic (craniosacral) Division Adrenergic and cholinergic synaptic transmission Other autonomic neurotransmittors Organs with dual innervation
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