名词
中文翻译：髓射线
同义词：
['medullary canal', 'medullary cavity']
例句：
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1.The medullary ray runs through the bone to connect with the spinal cord.
髓射线穿过骨头与脊髓相连。
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2. The medullary ray is responsible for transmitting nerve impulses from the brain to the spinal cord.
髓射线负责将大脑中的神经冲动传输到脊髓。
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3. The medullary ray is a crucial part of the nervous system that allows for communication between the brain and the body.
髓射线是神经系统中至关重要的部分，它允许大脑和身体之间进行通信。