title: Studies on the physiology of the hibernating hedgehog. 16 Variation in the nuclear sizes of cells of the supraoptic nucleus of hedgehog during circadian, hibernation, and annual cycles.
mesh_terms: D000818:Animals; D001833:Body Temperature Regulation; D001921:Brain / Q000166:cytology; D002467:Cell Nucleus / Q000502:physiology*; D002940:Circadian Rhythm; D006364:Hedgehogs / Q000033:anatomy & histology* / Q000502:physiology; D006605:Hibernation; D012621:Seasons