The meaning of CIRCADIAN is being, having, characterized by, or occurring in approximately 24-hour periods or cycles (as of biological activity or function). How to use circadian in a sentence. Did you know?
subject about to take part in a sleep deprivation study, the older gentlemen remarked that the last time he had stayed awake all night was to get a good view of a July 14th parade in Paris, at the end of the Great War, 67 years, or 24,000 circadian cycles, prior to the ...
1. Like other body rhythms, sleep cycles are controlled by a circadian clock. 2. Circadian rhythms are the physiological processes that rally the body in the morning to tackle the day's demands and slow it down at night. 3. That daytime decline was subtle, and the people's circadian rhyt...
of or pertaining to rhythmic cycles recurring at approximately 24-hour intervals:the circadian biological clock. [1955–60; < Latincircāabout +di(ēs)day +-an1] cir•ca′di•an•ly,adv. Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, ...
Circadian rhythms are defined as rhythms occurring in living organisms within a period of approximately 24 h that coincide with the Earth’s rotation on its own axis and persist in the absence of external stimuli (i.e., light-dark cycles). ...
Daily temporal organisation offers a fitness advantage and is determined by an interplay between environmental rhythms and circadian clocks. While light:dark cycles robustly synchronise circadian clocks, it is not clear how animals experiencing only weak
The body's circadian rhythms are most often talked about in the context of sleep-wake cycles, but these rhythms also impact other important areas, including hormone activities, body temperatures, digestion and eating habits, blood pressure, and more. Sleep-Wake Cycle The largest impacts on the ...
Circadian locomotor output cycles kaput Bmal1: Brain and muscle Arnt-like protein-1 PER: Period CRY: Cryptochrome NPAS2: Neuronal PAS domain protein 2 (NPAS2) CK1: Casein kinase 1 NSCLC: Non‑small cell lung cancer NK: Natural killer TME: Tumor microenvironment ECM: Extracellul...
Circadian rhythm (CR) disturbance is intricately associated with Parkinson’s disease (PD). However, the involvement of CR-related mechanisms in the pathogenesis and progression of PD remains elusive. A total of 141 PD patients and 113 healthy participan
The free-running periods were calculated from the circadian phase assessments which were before and after the 3 days of ultradian light/dark cycles (see Fig. 1). The means ± SDs were 24.31 ± 0.24, 24.06 ± 0.19, and 24.19 ± 0.24 for the ...