This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Urothelium lines all Except - \nSelect and explain. \nA. Ureters, B. Minor calyx, C. Urinary bladder, D. Membranous urethra', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Urothelium (transitional epithelium) is found in the renal pelvis, calyces, ureter, urinary bladder, proximal part of the urethra.\nMembranous and most of the penile urethra (in males) is lined by pseudostratified or stratified columnar epithelium.', 'role': 'assistant'}]