title: Renal handling of urea in Rana catesbeiana.
mesh_terms: D000818:Animals; D001001:Anura; D001693:Biological Transport, Active; D002247:Carbon Isotopes; D004231:Diuresis; D007444:Inulin; D007668:Kidney / Q000502:physiology*; D007687:Kidney Tubules, Proximal / Q000502:physiology; D008297:Male; D008954:Models, Biological; D011677:Punctures; D011892:Rana catesbeiana / Q000502:physiology*; D014316:Tritium; D014508:Urea / Q000097:blood / Q000378:metabolism*; D014513:Ureter / Q000378:metabolism; D001743:Urinary Bladder / Q000378:metabolism; D014882:Water-Electrolyte Balance
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D014508:Urea; D007444:Inulin