898,862,966 visitors served.
898,862,966 visitors served. |
|
 Dictionary/ thesaurus |  Medical dictionary |  Legal dictionary |  Financial dictionary |  Acronyms |  Idioms |  Encyclopedia |  Wikipedia encyclopedia | ? |
Circadian |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
|
circadian /cir·ca·di·an/ (ser-ka´de-an) denoting a 24-hour period; see under rhythm.
Circadian Pertaining to biological rhythms occurring at approximately 24-hour intervals. Jet lag is caused by a disruption of the human body's circadian clock. Mentioned in: Jet Lag circadian denoting a period of about 24 hours. circadian clock the daily rhythm of physiological activity as expressed by the Chinese circadian clock. This explains the flow of energy or Qi through the body, via the meridians, each meridian having two hours of maximum and two of minimum function in every day. circadian rhythm the regular recurrence of certain phenomena in cycles of approximately 24 hours, e.g. biological activities that occur at about the same time each day (or night) regardless of constant darkness or other conditions of illumination. |
|
? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Gene Block of the University of Virginia in Charlottesville and his colleagues study how the body's natural timekeeping, or circadian rhythm, changes with age. Circadian desynchronosis or jet lag occurs when our body's 24-hour internal biological clock is out of balance. This hormone, produced by the pineal gland, helps regulate the body's circadian rhythm and immune function, and also suppresses tumor growth. |
 |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content NEW! | Linking | Lookup box | Double-click lookup | Partner with us |
|
|---|
Disclaimer |
Privacy policy |
Feedback | Copyright © 2008 Farlex, Inc.
r-k
d
-
d
k
Printer friendly
Cite / link
Email
Feedback
Add definition
Circadian
