名词
中文翻译：坐骨神经丛
同义词：
['piriformis bursa', 'sciatic nerve sheath例句：1. The patient had a severe pain in the buttocks and could not walk.（患者臀部剧痛，无法行走。）']
例句：
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1. The patient had a severe pain in the buttocks and could not walk.
患者臀部剧痛，无法行走。
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2.The doctor performed an operation to relieve the pressure on the sciatic nerve.
医生进行了手术以减轻坐骨神经的压迫。
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3.The patient was diagnosed with sciatica due to a herniated disc.
患者被诊断出患有坐骨神经炎，原因是椎间盘突出。