Anatomy Transitional epithelium or urothelium lines all of the following structures of the urinary system, EXCEPT: A Ureters B Minor calyx C Urinary bladder D Membranous Urethra 💡 Explanation Transitional epithelium or urothelium lines all of the following structures of the urinary system, EXCEPT: ✓ Correct Answer: D. Membranous Urethra