biological clock

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biological clock

n.
1. An internal mechanism in organisms that controls the periodicity of various functions or activities, such as metabolic changes, sleep cycles, or photosynthesis.
2.
a. The time period during which a person who desires to have a biological child, especially a woman approaching the decline of reproductive capability, is still able to do so.
b. The capacity to be fertile, especially in such a woman: She was eager to have a child before her biological clock stopped working.

biological clock

n
1. (Biology) an inherent periodicity in the physiological processes of living organisms that is not dependent on the periodicity of external factors
2. (Biology) the hypothetical mechanism responsible for this periodicity

biolog′ical clock′


n.
1. an innate mechanism of the body that regulates its rhythmic and periodic cycles, as that of sleeping and waking.
2. such a mechanism perceived as inexorably marking the passage of one's youth and esp. one's ability to bear children.
[1950–55]

bi·o·log·i·cal clock

(bī′ə-lŏj′ĭ-kəl)
An internal system of organisms that controls the cycle of various functions, such as sleep cycles in mammals and photosynthesis in plants. See Note at circadian rhythm.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.biological clock - an innate mechanism in living organisms that controls the periodicity of many physiological functionsbiological clock - an innate mechanism in living organisms that controls the periodicity of many physiological functions
mechanism - a natural object resembling a machine in structure or function; "the mechanism of the ear"; "the mechanism of infection"
Translations
biológiai óra

biological clock

biological clock

norologio biologico
References in periodicals archive ?
BRUSSELS, Oct 2 (KUNA) -- The Nobel Assembly at Karolinska Institute in Stockholm, Sweden announced Monday that The Nobel Prize in Medicine 2017 has been awarded to three American scientists for their research in biological clocks.
Young for their discoveries of mechanisms for biological clocks, which enabled "a peek inside our biological clock and elucidate its inner workings.
US-born scientists Jeffrey Hall, Michael Rosbash and Michael Young won the 2017 Nobel Prize for Physiology or Medicine for their discoveries of molecular mechanisms controlling our biological clocks, the award-giving body said on Monday.
Lead investigator, Professor Mike Ludwig, explained to OT that the results highlighted a potentially new pharmacological route for manipulating internal biological clocks.
UMBC biologists Phyllis Robinson and Preethi Somasundaram may have identified a key factor that contributes to our understanding of biological clocks and associated disorders, such as non-24 and seasonal affective disorder.
Dubai: Over 91 per cent of young men and women in the UAE have poor awareness about fertility issues and failed to correctly predict the age at which their biological clocks start ticking, a nationwide survey conducted among 1,000 UAE residents has revealed.
The changes are a culmination of a years-long campaign by parents, teachers and sleep scientists, who advocated for delaying school start times to match teens' biological clocks.
Science is not quite there, but recent has opened new therapeutic avenues for improving the synchronization of the body's different biological clocks.
The findings raise the tantalizing possibility that many animals, including perhaps humans, have multiple biological clocks attuned to a variety of cues from the natural world.
The study by Vanderbilt University researchers has provided compelling new evidence that at least some species can alter the way that their biological clocks function by using different "synonyms" that exist in the genetic code.
It may explain why call centre workers, whose biological clocks are often out of sync, are at greater risk of obesity and insulin resistance.
Summary: Triumph is keeping abreast of Japan's singles market by making a specially-designed bra for women whose biological clocks are ticking.

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