渗透压测定法。2. 渗透调节。

Anaesthesia. 1978 Oct;33(9):801-8. doi: 10.1111/j.1365-2044.1978.tb08497.x.

The maintenance of osmolar constancy of the body fluids is dependent upon the recognition of osmolar disequilibrium and its correction by modifying the ingestion and excretion of fluid and solute. Osmolar changes are sensed by the hypothalamus which regulates the secretion of antidiuretic hormone to modify the renal excretion of water. The integrity of the system depends upon the renal ability to vary the solute concentration of urine.

体液渗透压恒定的维持取决于对渗透压失衡的识别，并通过改变液体和溶质的摄入与排泄来进行纠正。渗透压的变化由下丘脑感知，下丘脑调节抗利尿激素的分泌以改变肾脏对水的排泄。该系统的完整性取决于肾脏改变尿液溶质浓度的能力。