HHp Exam 2.08.docx - 1 Exam 2 Review Chapter 6: Section D...

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1Exam 2 ReviewChapter 6: Section DNervous System: CommunicationThe Central and Peripheral Nervous SystemsBig Picture-OrganizationoCNS: (Brain)Afferent Division: somatic sensory, visceral sensory, andspecial sensory: PNSoCNS: (Spinal Cord)Efferent Division: somatic motor and autonomic motor:PNSAutonomic motor subclasses: sympathetic, parasympathetic, enteric-DefinitionsoNames for axons traveling togetherWhite MatterNerve = group of many fibers (axons) traveling together in PNSPathway, tract = axon group traveling together in CNSGray Matter:Ganglion = PNS neuron cell body groupNucleus = CNS neuron cell body group-4 Regions of the BrainoForebrainCerebrumDiencephalonoHindbrainBrainstemMidbrainPonsMedulla OblongataCerebellum-CerebrumoFunction: perception, skilled movements,reasoning, learning, memoryo4 lobes: frontal, parietal, temporal, occipitaloCerebral cortex: outer shell of highly folded graymatter~3mm thickCell bodiesoWhite matter tractsMostly axonsCorpus callosumoSubcortical nucleiBasal nuclei (ganglia): deep collections of gray matterMovement controlPosture-DiencephalonoThalamusSynaptic relay centerIntegrates afferent ins to cerebral cortexControls arousal and attentionoHypothalamus
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