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单词 substance P
释义 substance P
noun
: a neuropeptide that consists of a chain of 11 amino acid residues, that is present in the nervous system and gastrointestinal tract, that causes the contraction of smooth muscle and dilation of blood vessels, and that acts as a potent neurotransmitter especially in the transmission of signals from pain receptors
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更新时间:2025/1/11 7:22:25