physiologic clock
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biological clock — n an inherent timing mechanism in a living system (as a cell) that is inferred to exist in order to explain various cyclical behaviors and physiological processes * * * the physiologic mechanism that governs the rhythmic occurrence of certain… … Medical dictionary
Rev-ErbA alpha — Nuclear receptor subfamily 1, group D, member 1 The DNA binding domain of NR1D1 bound to double stranded DNA.[1] … Wikipedia
Melatonin — Not to be confused with Melanin or Melanotan. Melatonin Systematic (IUPAC) name … Wikipedia
Hymen — This article is about the vaginal mucous membrane fold. For the god and other uses, see Hymen (disambiguation). Hymen External genital organs of female. The labia minora have been drawn apart. Latin hymen vaginae … Wikipedia
Non-24-hour sleep-wake syndrome — Classification and external resources ICD 10 G47.2 ICD 9 327.34 … Wikipedia
Free-running sleep — experiments can involve any organism which sleeps. Freerunning sleep is sleep which is not adjusted, entrained, to the 24 hour cycle in nature nor to any artificial cycle. Such experiments are used in the study of circadian and other rhythms in… … Wikipedia
Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7 … Wikipedia
Shift work — is an employment practice designed to make use of the 24 hours of the clock, rather than a standard working day. The term shift work includes both long term night shifts and work schedules in which employees change or rotate shifts. [cite web… … Wikipedia
Circadiane Rhythmik — Eine circadiane Rhythmik oder einen circadianen Rhythmus (lateinisch circa, „um“, „um herum“, „ungefähr“, lateinisch dies, „der Tag“, griechisch ῥυθμική, rhythmiké bzw. ῥυθμός, rhythmós, „der Rhythmus“) nennt man in der Chronobiologie die… … Deutsch Wikipedia
Vitamin C — This article is about ascorbic acid as a nutrient; for its chemical properties, see the article ascorbic acid; for other uses, see the disambiguation page. Vitamin C … Wikipedia
