《英文msh詞典》Twenty-Four Hour Rhythms
[入口詞] Twenty-Four Hour Rhythms
[主題詞] Circadian Rhythm
[英文釋義] The regular recurrence,in cycles of about 24 hours,of biological processes or activities,such as sensitivity to drugs and stimuli,hormone secretion,sleeping,feeding,etc. This rhythm seems to be set by a 'biological clock' which seems to be set by recurring daylight and darkness.