名词
中文翻译：后根神经干
同义词：
['posterior spinal nerve root例句：1. The posterior ramus of the spinal nerve is responsible for transmitting pain signals from the lower back to the brain.（脊柱神经的后根负责将来自下背部的疼痛信号传递到大脑。）']
例句：
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1. The posterior ramus of the spinal nerve is responsible for transmitting pain signals from the lower back to the brain.
脊柱神经的后根负责将来自下背部的疼痛信号传递到大脑。
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2. During surgery, the surgeon carefully dissected the posterior ramus to avoid damaging the spinal cord.
在手术中，外科医生小心地分离后根以避免损伤脊髓。
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3. The posterior ramus of the spinal nerve is a critical component of the nervous system that plays a vital rolein regulating bodily functions.
脊柱神经的后根是神经系统中的关键组成部分，它在调节身体功能方面起着至关重要的作用。