基本組織-神經(jīng)纖維和神經(jīng)

神經(jīng)組織神經(jīng)纖維和神經(jīng)神經(jīng)纖維和神經(jīng)概述課堂導入神經(jīng)纖維是由神經(jīng)元的長軸突及包繞它的膠質(zhì)細胞構(gòu)成。根據(jù)包裹軸突的膠質(zhì)細胞，是否形成髓鞘，神經(jīng)纖維可分有髓神經(jīng)纖維和無髓神經(jīng)纖維。神經(jīng)纖維主要構(gòu)成中樞神經(jīng)系統(tǒng)的白質(zhì)和周圍神經(jīng)系統(tǒng)的腦神經(jīng)、脊神經(jīng)和植物神經(jīng)。

神經(jīng)神經(jīng)纖維目錄CATALOG0102神經(jīng)纖維神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維無髓神經(jīng)纖維神經(jīng)纖維和神經(jīng)神經(jīng)纖維結(jié)構(gòu)：神經(jīng)元的長軸突及包繞它的神經(jīng)膠質(zhì)細胞構(gòu)成軸突神經(jīng)膠質(zhì)細胞神經(jīng)元神經(jīng)纖維和神經(jīng)神經(jīng)纖維結(jié)構(gòu)：分類：神經(jīng)元的長軸突及包繞它的神經(jīng)膠質(zhì)細胞構(gòu)成有髓神經(jīng)纖維無髓神經(jīng)纖維有髓神經(jīng)纖維無髓神經(jīng)纖維神經(jīng)纖維和神經(jīng)神經(jīng)纖維結(jié)構(gòu)：分類：神經(jīng)元的長軸突及包繞它的神經(jīng)膠質(zhì)細胞構(gòu)成有髓神經(jīng)纖維無髓神經(jīng)纖維分布：中樞神經(jīng)系統(tǒng)的白質(zhì)周圍神經(jīng)系統(tǒng)的腦神經(jīng)、脊神經(jīng)、內(nèi)臟神經(jīng)中樞神經(jīng)系統(tǒng)周圍神經(jīng)系統(tǒng)神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維施萬細胞髓鞘軸突神經(jīng)元周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突髓鞘——施萬細胞形成神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維軸突髓鞘施萬細胞周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突施萬細胞胞膜，同心圓包繞軸突髓鞘——施萬細胞形成髓鞘的結(jié)構(gòu)：神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維施萬細胞結(jié)間體郎飛結(jié)周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突施萬細胞胞膜，同心圓包繞軸突髓鞘——施萬細胞形成有髓神經(jīng)纖維結(jié)構(gòu)：髓鞘的結(jié)構(gòu)：相鄰兩個郎飛結(jié)之間的一段神經(jīng)纖維——結(jié)間體髓鞘各節(jié)段間的縮窄部——郎飛結(jié)施萬細胞一個一個排列，髓鞘分為許多節(jié)段結(jié)間體結(jié)間體結(jié)間體神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維有髓神經(jīng)纖維橫切面周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突施萬細胞胞膜，同心圓包繞軸突施萬細胞一個一個排列，髓鞘分為許多節(jié)段髓鞘——施萬細胞形成有髓神經(jīng)纖維結(jié)構(gòu)：髓鞘的結(jié)構(gòu)：相鄰兩個郎飛結(jié)之間的一段神經(jīng)纖維——節(jié)間體髓鞘各節(jié)段間的縮窄部——郎飛結(jié)神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維光鏡圖（HE染色）周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突施萬細胞胞膜，同心圓包繞軸突施萬細胞一個一個排列，髓鞘分為許多節(jié)段髓鞘——施萬細胞形成有髓神經(jīng)纖維結(jié)構(gòu)：髓鞘的結(jié)構(gòu)：相鄰兩個郎飛結(jié)之間的一段神經(jīng)纖維——節(jié)間體髓鞘各節(jié)段間的縮窄部——郎飛結(jié)軸突髓鞘神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維電鏡圖髓鞘周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突施萬細胞胞膜，同心圓包繞軸突施萬細胞一個一個排列，髓鞘分為許多節(jié)段髓鞘——施萬細胞形成有髓神經(jīng)纖維結(jié)構(gòu)：髓鞘的結(jié)構(gòu)：相鄰兩個郎飛結(jié)之間的一段神經(jīng)纖維——節(jié)間體髓鞘各節(jié)段間的縮窄部——郎飛結(jié)神經(jīng)纖維和神經(jīng)神經(jīng)纖維有髓神經(jīng)纖維中樞神經(jīng)系統(tǒng)有髓神經(jīng)纖維組成：神經(jīng)元的長軸突髓鞘——少突膠質(zhì)細胞形成少突膠質(zhì)細胞髓鞘少突膠質(zhì)細胞多個突起扁平狀末端包卷多個軸突髓鞘的結(jié)構(gòu)：神經(jīng)纖維和神經(jīng)神經(jīng)纖維無髓神經(jīng)纖維無髓神經(jīng)纖維組成：神經(jīng)元的軸突——較細施萬細胞——包裹在外面，包裹多條軸突結(jié)構(gòu)特點：無髓鞘、無郎飛結(jié)周圍神經(jīng)系統(tǒng)模式圖電鏡圖軸突施萬細胞施萬細胞軸突神經(jīng)纖維和神經(jīng)神經(jīng)纖維無髓神經(jīng)纖維無髓神經(jīng)纖維組成：神經(jīng)元的軸突——中樞神經(jīng)系統(tǒng)星形膠質(zhì)細胞突起——分隔無明顯神經(jīng)膠質(zhì)細胞包繞軸突星形膠質(zhì)細胞有髓神經(jīng)纖維無髓神經(jīng)纖維神經(jīng)沖動傳導方式跳躍式傳導連續(xù)傳導傳導速度快慢神經(jīng)纖維和神經(jīng)神經(jīng)纖維功能功能：傳導神經(jīng)沖動，電流的傳導在軸膜進行有髓神經(jīng)纖維無髓神經(jīng)纖維神經(jīng)神經(jīng)的定義神經(jīng)的結(jié)構(gòu)神經(jīng)纖維和神經(jīng)神經(jīng)神經(jīng)的定義周圍神經(jīng)系統(tǒng)的神經(jīng)纖維集合在一起，構(gòu)成神經(jīng)定義：神經(jīng)纖維和神經(jīng)神經(jīng)神經(jīng)的定義周圍神經(jīng)系統(tǒng)的神經(jīng)纖維集合在一起，構(gòu)成神經(jīng)到全身各器官成分：定義：分布：感覺神經(jīng)纖維運動神經(jīng)纖維自主神經(jīng)纖維神經(jīng)纖維和神經(jīng)神經(jīng)神經(jīng)的結(jié)構(gòu)神經(jīng)神經(jīng)外膜神經(jīng)束神經(jīng)束膜軸突髓鞘神經(jīng)內(nèi)膜神經(jīng)束血管神經(jīng)束膜神經(jīng)外膜神經(jīng)內(nèi)膜——毛細血管神經(jīng)神經(jīng)外膜——血管神經(jīng)束膜——血管神經(jīng)束神經(jīng)纖維髓鞘軸突小結(jié)神經(jīng)纖維和神經(jīng)小結(jié)類別髓鞘神經(jīng)膜郎飛結(jié)節(jié)間體中樞神經(jīng)系統(tǒng)周圍神經(jīng)系統(tǒng)有髓神經(jīng)纖維有有有有髓鞘薄，少突膠質(zhì)細胞構(gòu)成髓鞘厚，由施萬細胞構(gòu)成無髓神經(jīng)纖維無有無無無髓鞘施萬細胞相互縱向銜接有髓神經(jīng)纖維和無髓神經(jīng)纖維比較神經(jīng)纖維和神經(jīng)小結(jié)類別髓鞘形成細胞一個細胞包繞軸突的數(shù)量基膜髓鞘切跡有髓神經(jīng)纖維中樞神經(jīng)系統(tǒng)少突膠質(zhì)細胞多個無無周圍神經(jīng)系統(tǒng)施萬細胞一個有有類別軸突的包裹細胞一個細胞包繞軸突的數(shù)量髓鞘郎飛結(jié)無髓神經(jīng)纖維中樞神經(jīng)系統(tǒng)無膠質(zhì)細胞包裹，裸露無無無