Urea handling by the medullary collecting duct of the rat kidney during hydropenia and urea infusion
β Scribed by H. Sonnenberg; D. R. Wilson
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 743 KB
- Volume
- 390
- Category
- Article
- ISSN
- 0031-6768
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We examined the action of high (2 x 10(-8)M) and low (6 x 10(-9)M) concentrations of atrial natriuretic factor (ANF) on water and urea transport in the rat inner medullary collecting duct (IMCD) using the in vitro microperfusion technique. We measured the hydraulic conductivity (Lp x 10(-6) cm/atm p
In order to evaluate whether an active transport of urea exists across the collecting duct epithelia of rats the following experiments were performed. Under conditions, where the net transtubular transport of urea, water, and other solutes was zero, tk, e unidirectional flux of Clt-urea out of the c