名词
中文翻译：后分支
同义词：
['posterior part', 'posterior limb']
例句：
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1.The posterior branch of the spinal cord controls the muscles in the lower back.
脊柱的后分支控制着背部的肌肉。
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2. The posterior branch of the sciatic nerve is responsible for pain in the buttocks and thighs.
坐骨神经的后分支负责大腿和臀部的疼痛。
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3. In the study of anatomy, the posterior branch of the heart is important because it carries blood to the lungs.
在解剖学研究中，心脏的后分支很重要，因为它将血液输送到肺部。