Spermatogenesis in normal and hypophysectomized frogs (Rana temporaria) following gonadotrophin administration. III. Injection of summer pituitary extract into winter frogs.
D000818:Animals; D006062:Gonadotropins; D006801:Humans; D008297:Male; D010902:Pituitary Gland; D011896:Rana temporaria; D013091:Spermatogenesis; D013094:Spermatozoa
D006062:Gonadotropins
GONADOTROPINS; PITUITARY GLAND; SPERMATOZOA