This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Which of the following is present in males but not in females? \nSelect and explain. \nA. Bulbospongiosus muscle, B. Bulbourethral gland, C. Corpus cavernosum, D. Membranous urethra', 'role': 'user'}, {'content': "Answer: B \nExplanation: The bulbourethral glands are paired structures located within the deep perineal pouch, embedded within the sphincter urethrae. Their ducts pass to the spongy urethra. The homologous female structures are the greater vestibular (Baholin's) glands, which are located in the superficial perineal pouch.", 'role': 'assistant'}]