cycle

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cycle

noun age, alternation, circle, circuit, consecution, course, eon, epoch, era, flow, period, recurrence, recurring period, regular return, regglarity of recurrence, repetitiveness, revolution, rotation, round, sequence, succession
See also: annum, frequency, life, sequence, succession
References in periodicals archive ?
Applying such an approach, Sabatine and colleagues (2005) demonstrated that the levels of functionally related metabolites of the citric acid cycle circulating in the blood differed between healthy people and people who were susceptible to constriction of blood vessels and reduced blood flow (i.
Because the citric acid cycle is intrinsic to all modern life, Wachtershauser guesses that its basic reactions are close to the chemistry with which life began--with one significant variation.
Normal cells depend primarily on the citric acid cycle (>85%) and very little on glycolysis (<7%) for energy production.