毒品可卡因是一种微细白色结晶粉状生物碱具有麻醉感觉神经末梢和阻断神经传导的作用可作为局部麻醉药.如图甲为可卡因对人�部神经冲动的传递干扰 Template




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tomski毒品可卡因是一种微细白色结晶粉状生物碱具有麻醉感觉神经末梢和阻断神经传导的作用可作为局部麻醉药.如图甲为可卡因对人�部神经冲动的传递干扰 coloring