Vascular variation in the genitourinary system.
D000368:Aged; D001158:Arteries / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D012077:Renal Artery / Q000033:anatomy & histology*; D012082:Renal Veins / Q000033:anatomy & histology*; D013737:Testis / Q000098:blood supply*