RELATIVE RESPONSIVENESS (RHO) OF PHARMACOLOGICAL RECEPTOR SYSTEMS IN RAT VAS DEFERENS

被引:37
作者
JURKIEWICZ, A
JURKIEWICZ, NH
BARROS, GG
VALLE, JR
机构
[1] Escola Paulista de Medicina, Departamcnto de Bioquímica e Farmacologia, Sāo Paulo 8
关键词
D O I
10.1159/000136005
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
A comparison was made between dose-response curves of barium chloride, adrenaline, acetylcholine, histamine and 5-hydroxy try ptamine in the isolated rat vas deferens. It was observed that the last four drugs, although being full agonists produce maximum contractions which are smaller than the total contractile ability of the organ. These effects were expressed through a ratio (ρ) which indicates the relative responsiveness of each specific receptor system. The results were discussed in relation to the occupation theory of mode of drug action. © 1969 S. Karger AG, Basel.
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页码:89 / +
页数:1
相关论文
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