Comparative anatomical observations of the mammalian renal pelvis and medulla.
D000717:Anatomy, Comparative; D000818:Animals; D007668:Kidney / Q000033:anatomy & histology*; D007682:Kidney Pelvis / Q000033:anatomy & histology*; D009995:Osmosis; D051381:Rats; D012377:Rodentia; D012756:Sheep; D013552:Swine; D014508:Urea / Q000652:urine; D014513:Ureter / Q000033:anatomy & histology
D014508:Urea