title: Tonic and phasic effects of light in the entrainment of circadian rhythms.
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D002940:Circadian Rhythm; D006224:Cricetinae; D008027:Light; D008647:Mesocricetus; D051379:Mice; D009043:Motor Activity; D009129:Muscle Tonus; D010542:Peromyscus; D010786:Photoreceptor Cells