| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,513,766,788 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
circadian |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.10 sec. |
|
circadian of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? 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. |
| Encyclopedia |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|