<prompt> Follicle stimulating hormone FSH receptors are present on:Theca cellsGranulosa cellsLeydig cellsBasement membrane of ovarian follicle  <response>: FSH receptor is a specific G-protein coupled receptor. It is present in granulosa cells ovary and Seoli cells testis. cAMP is the second messenger; it stimulates production of CREB-P and CREM-P transcription factors that initiate expression of target genes. FSH stimulation of granulosa cells produces estradiol; stimulation of Seoli cells produces inhibin. Theca cells ovaries and Leydig cells testis have receptors for LH. Both FSH and LH downregulate their receptors. 