Urothelium is absent in
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.
Renal pelvis
Ureter
Urinary bladder
whole pa of Urethra
General anatomy