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皮质延髓束

皮质延髓束的动画表现形式

皮质延髓束(英語:Corticobulbar tract,亦称为皮质核束)和皮质脊髓束一起组成锥体束,分别最终发往脑神经的各随意运动核,和脊髓前角运动细胞,支配肢体运动。是躯体运动传导通路的一部分。

锥体束由中央前回下三分之一的巨型锥体细胞(Betz细胞)的轴突发出。经内囊膝、大脑脚,至延髓。途中发出纤维脑神经随意控制核进行控制,包括:中脑内动眼神经核、滑车神经核,脑桥内三叉神经运动核、展神经核、面神经核,延髓内疑核、副神经核和舌下神经核。除支配眼裂以下表情肌的面神经核、舌下神经受对侧皮质核束控制外,其他都接受双侧皮质核控制。[1]

皮质核束在各脑神经核团换元后,发往各骨骼肌,支配骨骼肌随意运动。[1]

另见

[编辑]
  1. 皮质脊髓束
  2. 锥体系

注释

[编辑]
  1. ^ 1.0 1.1 柏树令, 应大军. 系统解剖学. 北京: 人民卫生出版社. 2008. ISBN 9787117101424. 

参考资料

[编辑]
  1. 柏树令, 应大军. 系统解剖学. 北京: 人民卫生出版社. 2008. ISBN 9787117101424. 

Template:脑桥 Template:神经束

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皮质延髓束
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