This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
[{'content': 'Testosterone production is mainly contributed by - \nSelect and explain. \nA. Leydig cells, B. Sertoli cells, C. Seminiferous tubules, D. Epididymis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e.. Ley dig cells o Androgens (including testosterone) are produced by ley dig cells (interstitial cells).o Leydig cells have receptors for LH and secrete androgens, i.e. Testosterone, dihydrotestosterone (DHT), androstenedione, and dehydroepiandrosterone (DHEA).o Sertoli cells have receptors for FSH and secrete ABP, inhibin and MIS. sertoli cells also have receptor for testosterone.", 'role': 'assistant'}]