Inhibin is
Select one:
A. secreted by the anterior pituitary to inhibit oestrogen secretion.
B. Secreted by granulosa cells to inhibit follicle stimulation hormone from the anterior pituitary
C. secreted theca cells to inhibit granulosa cells
D. secreted by granulosa cells to inhibit oestrogen secretion secretion
E. secreted by granulosa cells to feedback to the hypothalamus to inhibit gonadotrophin releasing hormone.