Function of the Collecting Ducts

Author:

ULLRICH KARL J.1

Affiliation:

1. From the Physiological Institute, University of Göttingen, Göttingen, Germany.

Abstract

Urine was sampled from microcatheters situated at different levels of the collecting ducts of golden hamsters. Appropriate analyses provided data concerning the function of the collecting ducts with respect to concentrating and acidifying the urine. The conclusion is reached that the collecting ducts serve 2 functions: a passive one, i.e., the back-diffusion of water and urea and an active one, i.e., the exchange of sodium for hydrogen ions and the formation of ammonia.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

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