<prompt> Role of growth hormone in spermatogenesisLate division of spermatocytesEarly division of spermatogoniaFormation of acrosomeStimulation of Seoli and Leydig cells  <response>: Growth hormone as well as most of the other body hormones is necessary for controlling background metabolic functions of the testes. Growth hormone specifically promotes early division of the spermatogonia themselves; in its absence, as in pituitary dwarfs, spermatogenesis is severely deficient or absent, thus causing infeility. 