The hippocampus is the key structure for learning and memory in mammals,and long-term potentiation(LTP)is an important c......

麻黄碱（０．９９～３３０ｕｍｏｌ／Ｌ）使离体大鼠肛凡肌收缩呈剂量依赖关系．酚妥拉明１００ｎｍｏｌ／Ｌ，利血平予处理（５ｍｇ／ｋｇ，ｉｐ）均使麻黄碱的作用减弱，可卡因１０ｕｍｏｌ／Ｌ则无影响。低钙Ｋ－Ｈ液中，麻黄碱引起肛尾肌......

<正> 表小檗碱(epiberberine,EB)是从湖北产黄连(Coptis chinensis Franch)中提取的一种生物碱,属苯喹嗪类原小檗碱,对其药理作用......

The urinary bladder is innervated and functionally regulated by the autonomic nervous system. In order to elucidate the ......