[Observations on the organogenesis of the gonad and its peculiarities in the aspic viper embryo (Vipera aspis L.)].
D000818:Animals; D002454:Cell Differentiation; D005260:Female; D006066:Gonads / Q000196:embryology*; D008297:Male; D010053:Ovary / Q000196:embryology; D012911:Snakes / Q000196:embryology*; D013737:Testis / Q000196:embryology
Observations sur l'organogénèse de la gonade et ses particularités chez l'embryon de vipère aspic (Vipera aspis L.)