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: Physiology
[{'content': 'All are true for oxytocin EXCEPT: March 2013 \nSelect and explain. \nA. Polypeptide, B. Secreted by anterior pituitary, C. Causes ejection of milk, D. Secreted in both sexes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Secreted by anterior pituitaryOxytocin is secreted mainly by Supraoptic and paraventricular nucleus of hypothalamus and is transpoed from hypothalamus to posterior pituitary. When suitable stimuli reach the posterior pituitary from hypothalamus, oxytocin is released into blood.', 'role': 'assistant'}]