title: A new method for studying the function of the descending part of the proximal tubule in vivo.
mesh_terms: D000042:Absorption; D000818:Animals; D002368:Castor Oil; D004231:Diuresis; D007684:Kidney Tubules / Q000187:drug effects / Q000502:physiology*; D007687:Kidney Tubules, Proximal / Q000502:physiology; D008138:Loop of Henle / Q000502:physiology; D008297:Male; D008353:Mannitol; D008722:Methods; D009994:Osmolar Concentration; D010477:Perfusion; D011188:Potassium / Q000097:blood / Q000652:urine; D011677:Punctures; D051381:Rats; D012964:Sodium / Q000097:blood / Q000652:urine; D013997:Time Factors
chemical_list: D008353:Mannitol; D002368:Castor Oil; D012964:Sodium; D011188:Potassium