This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Prolactin is secreted by \nSelect and explain. \nA. Anterior pituitary, B. Adrenal gland, C. Posterior pituitary, D. Ovary', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Prolactin a hormone secreted by the anterior pituitary gland that promotes the growth of breast tissue and stimulates and sustains milk production in postpaum mammals, and shows luteotropic activity in ceain mammals. Called also lactogenic hormone and mammotropin.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-324', 'role': 'assistant'}]