title: [The effects in vivo of some sex hormones on the growth of tibias of normal and chondrodystrophic (Creeper) chick embryos].
abstract: Various sex hormones (testosterone, oestradiol, dehydroepiandrosterone), in the form of suspensions in oil, are injected into the allantois of normal and chondrodystrophic (Creeper) chick embryos of 6 days 1/2 incubation. Observations made on each of the phenotypes on the 12th day of incubation show that oil injected alone causes a significant decrease in the dry weight of the tibiae. This inhibitory effect is partially abolished when the oil is injected together with the sex hormones, testosterone being the most effective.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002806:Chondrodysplasia Punctata / Q000196:embryology*; D003687:Dehydroepiandrosterone / Q000494:pharmacology*; D004958:Estradiol / Q000494:pharmacology*; D009821:Oils / Q000494:pharmacology; D009929:Organ Size / Q000187:drug effects; D013739:Testosterone / Q000494:pharmacology*; D013977:Tibia / Q000033:anatomy & histology / Q000187:drug effects / Q000196:embryology*
chemical_list: D009821:Oils; D013739:Testosterone; D003687:Dehydroepiandrosterone; D004958:Estradiol
vernacular_title: Sur des effets provoqués in vivo par quelques hormones sexuelles sur la croissance des tibias des embryons de poulet normaux et chondrodystrophiques (Creeper)