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肾脏不仅是一个排泄废物的器官,且参与水及电解质代谢,调节细胞外液容量相对稳定,还是一个内分泌器官,分泌肾素、前列腺素、缓激肽、促红素、1,25二羟维生素D等,因而肾功能试验涉及的范围较广。以下分几方面介绍。1 肾小球功能(1)肾小球滤过率(GFR)测定临床上用作测GFR的物质必须具有:①可自由通过肾小球滤过;②血浆中可达到稳定浓度;③不为肾脏重吸收、分泌或代谢。能满足此等条件的理想物质
The kidney is not only an organ that excretes waste, but also participates in the metabolism of water and electrolytes, regulating the relative stability of extracellular fluid volume, or an endocrine organ that secretes renin, prostaglandins, bradykinin, erythropoietin, 1,25 dihydroxyvitamin D, etc. Therefore, a wide range of renal function tests. The following points are introduced. 1 glomerular function (1) glomerular filtration rate (GFR) determination of clinically used for measuring GFR substances must have: ① free glomerular filtration; ② plasma can reach a steady concentration; ③ not Kidney reabsorption, secretion or metabolism. The ideal material that meets these conditions