Hypothalamic neurosecretion and photoinduced testicular growth in the tree sparrow, Spizella arborea.
D000818:Animals; D001717:Birds / Q000502:physiology*; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D007031:Hypothalamus / Q000378:metabolism*; D008027:Light; D008297:Male; D009489:Neurosecretion; D009929:Organ Size; D012621:Seasons; D013194:Staining and Labeling; D013737:Testis / Q000254:growth & development*