该【医学英语-中枢神经系统 】是由【2623466021】上传分享,文档一共【12】页,该文档可以免费在线阅读,需要了解更多关于【医学英语-中枢神经系统 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。NervousSystem-CNSpart1StudyGuideSUMC2011-212Forfurtherreadingpleaseseefollowingwebpage:2021/2/61Onewaytoclassifyneuronsisbythenumberofextensionsthatextendfromtheneuron'scellbody(soma).Bipolarneuronshavetwoprocessesextendingfromthecellbody(examples:retinalcells,olfactoryepitheliumcells).Pseudo-uni-polarcells(example:dorsalrootganglioncells).Actually,,,eachneuronhasonlyoneaxon(examples:spinalmotorneurons,pyramidalneurons,Purkinjecells).:Sensory(orafferent)neurons:sendinformationfromsensoryreceptors(.,inskin,eyes,nose,tongue,ears)(orefferent)neurons:::CELLBODY:enteroftheneuron,:::generatesnerveimpulsesandtopicallyconductthemawayfromthecellbody."Anerveisagroupofaxons”.Presynapticterminals:Theswollen,distalendofanaxon;(dendriticspines)UsuallymanydendritespercellHaveribosomesNomyelininsulationBranchnearthecellbodyThereareseveraldifferencesbetweenaxonsanddendrites:2021/2/65NEUROGLIALcells-therearesixtypesofsupportingcells;SandtwointhePNS2021/2/662021/2/672021/2/682021/2/692021/2/610
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