| Autor: |
HOLT, L. EMMETT, SHAW, EDWARD B., RILEY, CONRAD M., McKAY, ROBERT J. |
| Zdroj: |
American Journal of Diseases of Children; November 1961, Vol. 102 Issue: 5 p682-781, 100p |
| Abstrakt: |
1. Biological Clocks in Infants and Children.Curt P. Richter, M.D.,* Johns Hopkins School of Medicine, Baltimore, Md.Normal adults give evidence of harboring only 2 clocks—one the waking-sleeping cycle that measures time in units of 24 hours; the other the menstrual cycle that measures time in units of 28 days. Under pathological conditions, however, adults may give evidence of harboring a number of different clocks that measure time in units ranging from 12 hours to several years. For example one patient may show swelling of. the knees for 2 or 3 days every 13 days; another may show loss of all neutrophils every 21 days. In most adults only one clock may manifest its presence; but in some, several clocks—each measuring time in different units and quite independent of one another—may manifest their presence. The clocks may manifest themselves for weeks, months or years, or a lifetime—some through purely |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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