[Nycthemeral plasma and testicular androgen contents in guinea pigs at puberty].
A study based upon transversal sampling involving 13 series of 7 animals each does not show a significant circadian rhythm of testosterone and delta4 androstenedione concentrations in the plasma and testis of the guinea-pig at the age of puberty.
D000735:Androstenedione / Q000097:blood / Q000378:metabolism*; D000818:Animals; D002940:Circadian Rhythm; D006168:Guinea Pigs; D008297:Male; D012741:Sexual Maturation; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000097:blood / Q000378:metabolism*
D013739:Testosterone; D000735:Androstenedione
Teneurs plasmatiques et testiculaires en androgènes au cours du nycthémère chez le Cobaye à la puberté.