Graph showing the graft weights (mg) in the different treatment groups. 8I, Intact recipients with eight newborn hamster testis grafts; 8HC, hemicastrated recipients with eight newborn hamster testis grafts; 8C, castrated recipients with eight newborn hamster testis grafts; 2I, intact recipients with two newborn hamster testis grafts; 2HC, hemicastrated recipients with two newborn hamster testis grafts; and 2C, castrated recipients with two newborn hamster testis grafts.