This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pituitary, Subject name: Physiology
[{'content': 'TSH is produced by: \nSelect and explain. \nA. Anterior pituitary, B. Post pituitary, C. Hypothalamus, D. Thyroid gland', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Anterior pituitaryRef: Guyton physiology 11th Ed. / 907* Thyroid stimulating hormone is secreted by anterior pituitary after getting stimulus by TRH (thyrotropin releasing hormone) from hypothalamus.* Please refer to above table', 'role': 'assistant'}]