Seasonal changes in the in vitro production of testicular androgens by the cobra (Naja naja Linn).
D015068:17-Ketosteroids / Q000096:biosynthesis*; D000450:Aldosterone / Q000302:isolation & purification; D000731:Androstanes / Q000096:biosynthesis*; D000818:Animals; D002247:Carbon Isotopes; D002855:Chromatography, Thin Layer; D003460:Crystallization; D003900:Desoxycorticosterone / Q000302:isolation & purification; D066298:In Vitro Techniques; D007985:Leydig Cells / Q000378:metabolism; D008297:Male; D009929:Organ Size; D011374:Progesterone / Q000378:metabolism*; D012621:Seasons; D012911:Snakes / Q000378:metabolism*; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000096:biosynthesis*
D015068:17-Ketosteroids; D000731:Androstanes; D002247:Carbon Isotopes; D013739:Testosterone; D003900:Desoxycorticosterone; D000450:Aldosterone; D011374:Progesterone