biological rhythm


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biological rhythm

Etymology: Gk, bios, life, logos, science, rhythmos
the periodic recurrence of a biological phenomenon, such as the respiratory cycle, the sleep cycle, or the menstrual cycle. Also called biorhythm.

biological rhythm

The regular occurrence of certain phenomena in living organisms.
See: circadian rhythm; biological clock
See also: rhythm

biological rhythm

any regularly occurring sequence of events in living organisms, either internal (ENDOGENOUS), e.g. heartbeat, or external (EXOGENOUS), e.g. the seasons and tides. See CIRCADIAN RHYTHM.
References in periodicals archive ?
Northern Light and Northern Times: Swedish Leadership in the Foundation of Biological Rhythms Research
With this information provided through the retino-hypothalamic pathway, the SCN co-ordinates daily biological rhythms (ie.
In this modern day and age is there really a justifiable reason for interrupting everybody's biological rhythm and causing aggravation to people like me who decided to live in a slightly more technologically advanced establishment?
During fall and winter, less light gets to the nerve centers that regulate your biological rhythm.
A large group of researchers, studying the biological rhythm of sleep and alertness, believe that the human body was meant to have a mid-afternoon nap.
When you go east, you're moving forward in time and against the biological rhythm.
The human biological rhythm is tied into earth's rotation, making individuals who suffer cluster from headaches encounter unrelenting head pain.
The chronomutagenic effect of Deuterium Oxide on the period and entrainment of a biological rhythm.
OB) today announced that its scientists have filed a provisional patent entitled Method of Increasing Bioavailability and Effectiveness of Pharmaceutical and Nutraceutical Substances by Utilizing Circadian Biological Rhythm Patterns.
The sleep-time benefit of giving the ACE inhibitor correlates with the biological rhythm of this hormone," she said.
Foraging worker bees are the first insects known to have a social trigger radically change their biological rhythm, report Guy Bloch and Gene Robinson of the University of Illinois at Urbana-Champaign.

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