<prompt> Spermatogenesis is maintained by which hormones sTestosteroneFSHLHProlactin  <response>: Spermatogenesis defined as the entire process by which spermatogonial stem cells divide and differentiate into sperms. The process has three phases: spermatocytogenesis, meiosis, and spermiogenesis.Ref: Ganong;s review of medical physiology; 24th edition; page no:-420 