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中枢神经系统

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中枢神经系统
中枢神经系统示意图
基本信息
淋巴224
标识字符
拉丁文Systema nervosum centrale
pars centralis systematis nervosi[1]
缩写CNS
MeSHD002490
TA98A14.1.00.001
TA25364
FMAFMA:55675
解剖学术语
1:脑 2:中枢神经系统 3:脊髓

中枢神经系统central nervous system,缩写:CNS)是神经系统神经细胞集中的结构,位于生物体中轴,主要功能是整合(传递、储存、加工)从生物体各部分收到的信息,并调节和控制生物体各部分的活动,使其做出适当反应。

脊椎动物,中枢神经系统位于背腔内,包括脊髓,脑位于颅腔内,脊髓位于椎管中;颅骨保护脑,脊椎保护脊髓。在高等无脊椎动物环节动物昆虫等,则主要包括腹神经索和一系列的神经节。

人的中枢神经系统构造最复杂而完整,特别是大脑半球的皮层获得高度的发展,成为神经系统最重要和高级的部分,保证了机体各器官的协调活动,以及机体与外界环境间的统一和协调。

中枢神经系统与周围神经系统组成了神经系统,控制了生物的行为。

参考文献

  1. ^ Farlex Partner Medical Dictionary, Farlex 2012. 

参见

外部链接

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中枢神经系统
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