This model consists of six parts of the urinary system, including the retroperitoneal cavity, renal section and the section of male and female bladder. The male and female bladder can be exchanged. Show the structures of the urinary system, renal cortex, renal medulla and male and female bladder. It is a rare product for teaching and learning and for the doctor-patient communication in Urology ? I am very happy that you can visit my shop, I wish you a unique shopping, happy shopping!✓ new and improved version, more refined and detailed, new mold, new color matching computer, new hand-painted. ✓ This is a rare product for medical teaching and communication between urologists and patients. ✓ The male and female are interchangeable bladder. They are shown the structure of the urinary system, renal cortex, renal medulla of kidney and bladder ganglia. ✓ The model consists of six parts, including the peritoneal cavity of the urinary system, renal part and the contour of the bladder for men and women. ✓ The urinary system model is easy to change male insert (bladder and prostate, front and rear half) and female insert (bladder, uterus and ovaries, two halves side) and is a good teaching tool.