Presence of hypothalamo-pituitary testicular axis in the early postnatal period.
D000728:Androgens / Q000378:metabolism*; D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D001835:Body Weight; D002369:Castration; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D006064:Gonadotropins, Equine / Q000494:pharmacology; D006065:Gonadotropins, Pituitary / Q000494:pharmacology; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology*; D007279:Injections, Subcutaneous; D008297:Male; D009929:Organ Size; D051381:Rats; D013268:Stimulation, Chemical; D013737:Testis / Q000187:drug effects / Q000378:metabolism*; D013739:Testosterone / Q000494:pharmacology; D013997:Time Factors
D000728:Androgens; D006063:Chorionic Gonadotropin; D006064:Gonadotropins, Equine; D006065:Gonadotropins, Pituitary; D013739:Testosterone