Effect of suprachiasmatic lesions on diurnal heart rate rhythm in the rat.
D000818:Animals; D002940:Circadian Rhythm; D005260:Female; D006339:Heart Rate; D007031:Hypothalamus / Q000502:physiology*; D008297:Male; D009043:Motor Activity / Q000502:physiology; D051381:Rats; D013495:Supraoptic Nucleus / Q000502:physiology*; D013997:Time Factors