title: [Ultradian rhythms and circadian rhythms (author's transl)].
mesh_terms: D000367:Age Factors; D000663:Amphibians / Q000502:physiology; D000818:Animals; D001522:Behavior, Animal; D001717:Birds / Q000502:physiology; D002642:Chick Embryo; D002940:Circadian Rhythm; D006224:Cricetinae; D003624:Darkness; D004780:Environment, Controlled; D005260:Female; D005399:Fishes / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D007448:Invertebrates / Q000502:physiology; D008027:Light; D008297:Male; D008322:Mammals / Q000502:physiology; D010507:Periodicity; D011247:Pregnancy; D051381:Rats; D012104:Reptiles / Q000502:physiology; D012890:Sleep / Q000502:physiology; D014851:Wakefulness / Q000502:physiology