<prompt> Testesterone secreted by:Leydig cellsSertoli cellsCowpers glandIntermediate cells  <response>: Ans: A Leydig cells Ref: Pal GK. Male reproductive system. In: Textbook of Medical Physiology. Ahuja Publishing House. 2007; 54: 410.Explanation:Sertoli Cell1. Endocrine functicInhibin. Follistatin - FSHActivin FSHMIS Mullerian Inhibiting Substance - 8th week of 1ULEstrogen - from androgen by aromatase2. Secretory functionsAndrogen binding Protein ABP - binds with DHT, testosterone transport to epididymisH- Y antigen - development of gonadsPlasminogen activatorLeydig cellsSecretes testosterone, DHEA, AndrostenodioneCowpers gland Bulbourethral glandhomologous to Bartholins glands in femalesCowpers gland secretion helps to lubricate the urethra for spermatozoa to pass through, neutralizing traces of acidic urine in the urethra 