Circadian function in the photoperiodic induction of gonadotropin secretion in the white-crowned sparrow, Zonotrichia leucophrys gambelii.
D000818:Animals; D001717:Birds / Q000502:physiology*; D002940:Circadian Rhythm; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D011863:Radioimmunoassay; D013997:Time Factors
D007986:Luteinizing Hormone