This 5 piece life-size model shows the most important components of the urinary tract, as well as the vena cava and abdominal aorta. The right kidney is open and shows the renal cortex, the renal medulla, the pyramids, the calyxes, the renal pelvis, and the accesses of the renal vessels. The bladder can be opened. In the center are the mucosa, bladder triangle, urethra, seminal vesicles, ejaculation duct and vas deferens.