title: Pinealectomy inhibits stimulation of testicular development by long photoperiods in a hamster (Phodopus sungorus).
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D006224:Cricetinae / Q000502:physiology*; D008027:Light; D008297:Male; D009929:Organ Size; D010775:Photic Stimulation; D010870:Pineal Gland / Q000502:physiology* / Q000601:surgery; D012621:Seasons; D013045:Species Specificity; D013737:Testis / Q000033:anatomy & histology / Q000254:growth & development*