<prompt> Testosterone secreted by,Leydigs cells.Somatotropic cells.Acidophilic cells.Gonadotropic cells  <response>: Ans:A. Leydigs cells.The hypothalamus sends a signal to pituitary gland to release gonadotrophic substances follicle stimulating hormone and luteinizing hormone.Luteinizing hormone LH stimulates testosterone production.Testosterone is produced by gonads by Leydig cells in testes in men by ovaries in women. 