Urinary Bladder. Epithelium Stock Image

In the urinary tract, from the renal pelvis to the urethra, there is a special type of epithelium: it is the transitional epithelium, also called urothelium because it is exclusive to this tract. It is an epithelium with a stratified appearance, with cells whose nuclei are arranged in several layers. However, it has been shown that superficial cells emit processes that reach the basal layer. The