This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Urothelium is absent in 
Select and explain. 
A. Renal pelvis, B. Ureter, C. Urinary bladder, D. whole pa of Urethra
A: Renal pelvis
Answer: A: Renal pelvis 
Explanation: Transitional epithelium: In this type of multilayered epithelium all layers are made up of cuboidal, polygonal or round cells. The cells towards the surface of the epithelium are round. As transitional epithelium is confined to the urinary tract, it is also called urothelium. Location - Transitional epithelium is found in the renal pelvis and calyces, the ureter, the urinary bladder, and pa of the urethra. Because of this distribution it is also called urothelium. REF : Inderbir Singh's Textbook of Human Histology, Seventh edition, pg.no.,39,49.