Comparative facilitation and inhibition of lordosis in the guinea pig with progesterone, 5-alpha-pregnane-3,2-dione, or 3-alpha-hydroxy-5-alpha-pregnan-20-one.
D000818:Animals; D002369:Castration; D003864:Depression, Chemical; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D006168:Guinea Pigs; D006914:Hydroxysteroids / Q000494:pharmacology*; D007664:Ketosteroids / Q000494:pharmacology*; D010053:Ovary / Q000502:physiology; D011187:Posture; D011277:Pregnanediones / Q000494:pharmacology*; D011283:Pregnenes / Q000494:pharmacology*; D011374:Progesterone / Q000494:pharmacology*; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D013268:Stimulation, Chemical; D013997:Time Factors
D006914:Hydroxysteroids; D007664:Ketosteroids; D011277:Pregnanediones; D011283:Pregnenes; D011374:Progesterone; D004958:Estradiol