MALE GENITOURINARY TRACT,The urinary and reproductory system in a man. We have the two kidneys (in brown) capped with their suprarenal glands (in purple), then the ureters (in orangish yellow) that descend up to the bladder (in whitish beige), then the prostate just beneath (in pale pink), the urethra that descends, surrounded of the structures (in pink) of the penis. At the back of the prostate can be found the seminal vesicles, and the right and left vas deferent that descend on each side of the bladder and end by the epididymis that caps each testicle (in yellow).