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': 'Seoli cell feedback mechanism involves \nSelect and explain. \nA. Decreased LH, B. Decreased FSH, C. Decreased TRH, D. Decreased CRH', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Inhibin is one of several proteins that paicipate in differentiation and growth. Two glycoproteins, inhibin A and inhibin B, are secreted by Seoli cells in the testis and granulosa cells in the ovary, inhibiting FSH secretion by direct action on the pituitary.Ref: Ganong&;s review of medical physiology;24th edition; page no:-427', 'role': 'assistant'}]