to evaluate the responsiveness of spermatogenesis in the normal human testis to human menopausal gonadotropin ( hmg ) and human chorionic gonadotropin ( hcg ) , the dna synthesis of spermatogonia was investigated using 3h-thymidine uptake by cultured tissue fragments of human testis with or without treatment with hcg and/or hmg .
C0037864
spermatogenesis
C0039597
testis