Urea reabsorption from a hydroureter.
D000042:Absorption; D000818:Animals; D001806:Blood Urea Nitrogen; D002247:Carbon Isotopes; D004285:Dogs; D014508:Urea / Q000378:metabolism*; D014515:Ureteral Diseases / Q000503:physiopathology*
D002247:Carbon Isotopes; D014508:Urea