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《Journal of Practical Medical Techniques》 2000-04
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Effects of Essradiol and Progesterone on Contraction of chronic Hypoxic Vascular strips in Vitro

Physiololgy Teaching Reserch Room of Xinjiang Medical college Ainur Xuekelaiti 830000  
To observe effects of estradiol (EST) and progeoterone (Pro) on contraction of chronic typoxic vascular strips in vitro. Effects of Est and Pro on the tension of Vascular strips were observed by in vitro perfu-sion and the maximal responses(Emax) of vascular strips were calculated,based on 0. 1 umel/L nerepine- phrine - induced coutraction in Vascular strips. Results:Est of Pro evoked concentration-dependent and time-dependent relaxations on isolated aortic strips in chronic hypoxia rates,Emax of Est was (34±5%)and emax of Pro was(18±5%). conclusion:Est or Pro may be partially explain as a receptor-operated calcium channel antagonist
【CateGory Index】: R541
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