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单词 parasympathetic nervous system
释义
parasympathetic nervous system
n.
The part of the autonomic nervous system originating in the brainstem and the lower part of the spinal cord that, in general, inhibits or opposes the physiological effects of the sympathetic nervous system, as in tending to stimulate digestive secretions, slow the heart, constrict the pupils, and dilate blood vessels.
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更新时间:2025/3/22 6:16:42