1. The motor nerve is responsible for the contraction of the biceps muscle.
运动神经负责肱二头肌的收缩。
2. Damage to the motor nerve can lead to muscle weakness or paralysis.
运动神经受损可能导致肌肉无力或瘫痪。
3. The doctor tested the patient's motor nerve function.
医生测试了患者的运动神经功能。

A: Why is the patient experiencing muscle weakness?
A：为什么病人会出现肌肉无力？

B: The doctor suspects there is a lesion in the motor nerve.
B：医生怀疑运动神经处存在病变。

1) 指从中枢神经系统传导信号至效应器的神经

2) 在生物学中负责控制运动功能的神经纤维

1. 运动神经

e.g.
The motor nerve transmits signals from the brain to the muscles.
运动神经将信号从大脑传导至肌肉。

noun

1. A nerve that carries impulses from the central nervous system to a muscle or gland to produce movement or secretion.