V2EX ventral root

Ventral Root

释义 Definition

ventral root(腹根/前根):脊神经从脊髓发出的运动神经纤维汇集成的神经根,主要传递从中枢到肌肉的传出(运动)信号;在多数教材中与dorsal root(背根/后根,主要为感觉传入)相对。

例句 Examples

The ventral root carries motor signals to the muscles.
腹根把运动信号传递到肌肉。

Damage to the ventral root can cause weakness or paralysis, even if sensation remains intact.
腹根受损可能导致无力或瘫痪,即使感觉仍然正常。

发音 Pronunciation (IPA)

/vntrl rut/

词源 Etymology

ventral 源自拉丁语 venter(“腹部”),表示“腹侧的/前侧的”;root 在解剖学中常指“起始部分、根部”。合起来指“位于腹侧、从脊髓发出的神经根”,即常说的前根(运动根)

相关词 Related Words

文学与经典著作 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在脊神经与脊髓章节中讨论腹根/前根与背根/后根的功能分工。
  • Principles of Neural Science(Kandel 等,《神经科学原理》):在运动控制与脊髓通路相关内容中提及腹根作为运动传出通路的组成部分。
  • Campbell Biology(《坎贝尔生物学》):在脊椎动物神经系统概述中常以“ventral root / dorsal root”对照说明运动与感觉通路。
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