Unit_5_Lecture_1 - Kinesiology 1223 Todays Lecture...

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Kinesiology 1223 Today’s Lecture Peripheral Nervous System, Autonomic Nervous System, Sympathetic and Parasympathetic Systems, Central Nervous System, Gray and White Matter, Fasciculi and Fiber Tracts ( p.442, 482-503, 566-581) Be Prepared ! Read Topics Before Lecture! Next Lecture: Lecture Test 4
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Quiet Please Turn off cell phones, PDA’s and beepers
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Nervous System Unit 5 Like a jigsaw puzzle Individual parts
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Nervous System Functions 1) Collecting information Receptors monitor inside and outside 2) Evaluating - Decision-making Integrate sensory input Makes decisions 3) Triggers responses Activating muscles and glands
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Peripheral Nervous System Arises Cranial nerves from brain Spinal nerves from cord Afferent and efferent functions
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Peripheral Nervous System Cranial Nerves (CN) Review Table 14.1 in Saladin - p. 551-558 for both lab and lecture tests
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Peripheral Nervous System Spinal Nerves 31 pairs 1st cervical 8th cervical Between C7 and T1
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Peripheral Nervous System Spinal Nerves Arise: pairs of roots Rootlets come together - form Roots Roots combine - form Spinal Nerves Exit from vertebral column through intervertebral foramen
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Peripheral Nervous System Spinal Nerves Dorsal root - sensory - receptors to cord Cell bodies form dorsal root ganglion Enlargement of dorsal root Ganglion - group of neuron cell bodies in PNS
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Ganglia
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Peripheral Nervous System Spinal Nerves Ventral root - efferent fibers - cord to skeletal muscles
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Peripheral Nervous System Spinal Nerves Gives rise to Peripheral nerves Peripheral nerves carry: Spinal nerves in cervical, lumbar, sacral regions form plexuses
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Peripheral Nervous System Spinal Nerves Plexus - network of converging and diverging nerve fibers
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Peripheral Nervous System Spinal Nerves Thoracic region Do not enter plexuses - except T1, T2, T12 Form single nerves to muscles of chest and abdomen
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Peripheral Nervous System Spinal Nerves Sensory portions All spinal nerves Organized into Dermatomes Cutaneous region of sensation specific spinal nerve
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This note was uploaded on 11/16/2010 for the course KINESIOLOG 1223 taught by Professor Rooney during the Spring '09 term at Temple.

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Unit_5_Lecture_1 - Kinesiology 1223 Todays Lecture...

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