angiotensin

1.Conclusion: The changes of circadian variation of blood pressure are associated with the role of sympathetic nerve and intracardial renin angiotensin system.

结论压昼夜变化神经与肾素管紧素系统等双重作用有关。

2.Renin, a proteolytic enzyme formed in the granules of the juxtaglomerular apparatus cells, catalyzes conversion of the protein angiotensinogen to angiotensin I, a decapeptide.

肾素是肾小球旁体细胞颗粒内形成的一种蛋白水解酶，催化蛋白管紧素原转换为管紧素Ⅰ，即十肽。