title: The limitation of rate of photoperiodically induced testicular growth in the white-crowned sparrow Zonotrichia leucophyrys gambelii: the effect of hemicastration.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D002369:Castration; D006065:Gonadotropins, Pituitary / Q000378:metabolism; D008027:Light; D008297:Male; D009929:Organ Size; D010902:Pituitary Gland / Q000528:radiation effects*; D011830:Radiation Effects; D013737:Testis / Q000254:growth & development* / Q000378:metabolism
chemical_list: D006065:Gonadotropins, Pituitary