Penetration of exogenous testosterone, pregnenolone, progesterone and cholesterol into the seminiferous tubules of the rat.
D000818:Animals; D002784:Cholesterol / Q000302:isolation & purification / Q000378:metabolism*; D002855:Chromatography, Thin Layer; D008055:Lipids / Q000032:analysis; D008297:Male; D011284:Pregnenolone / Q000378:metabolism*; D011374:Progesterone / Q000378:metabolism*; D051381:Rats; D013737:Testis / Q000032:analysis / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism*; D014316:Tritium
D008055:Lipids; D014316:Tritium; D013739:Testosterone; D011374:Progesterone; D011284:Pregnenolone; D002784:Cholesterol