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: Gynaecology & Obstetrics
[{'content': "Bartholin's duct opens into: \nSelect and explain. \nA. Labia majora and minora, B. A groove between labia minora and hymen, C. The lower vagina, D. The upper vagina", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bartholin’s glands are pea-sized oval glands in females homologous to Cowper’s Gland in male.Q\xa0bulbo urethral glands\xa0in males.\nThe ducts of Bartholin gland is 2cm longQ\xa0and opens into the vestibule outside the hymen at the junction of the anterior\xa02/3N1 and posterior 1/3Td in the groove between the hymen and labium minora.\nA duct as well gland is lined by multilayered columnar epithehumQ\xa0(Not by transitional epithelium as is usually stated). \nFunction of the gland is to produce abundant alkaline mucus during sexual excitement.', 'role': 'assistant'}]