Cycle

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Related to reproductive cycle: estrous cycle, menstrual cycle

Cycle

References in periodicals archive ?
Note: Scenario 1 of this laboratory activity should be prefaced with an introduction to the female reproductive cycle and its hormonal regulation (Figure 1).
Branstetter & Musick (1994) suggested a biennial reproductive cycle for the sand tiger shark, but provided no evidence of for the capture of mature non-gravid females taken during the breeding period of the species.
There may be several reasons for the 2-month difference in the duration of the reproductive cycle between Alaska (7+ months) and the western Pacific Ocean (5+ months; Gorbunova, 1962; Zolotov, 1993).
Croxatto and his colleagues exposed female rats to very high doses of levonorgestrel at various stages in their reproductive cycle, either before or after ovulation or before or after mating.
Their reproductive cycle can be controlled by spaying, mating the jill with a vasectomised male (although this can cause false pregnancy) or through drugs.
She concludes that the imagery depicting stages in womens lives, like historical periodization, is conceived by men, and it is largely absorbed with the female reproductive cycle.
But according to the day's leading scientists, babies nourished from any source other than their mother's breasts ran great risks, including the likelihood that they would grow up to be homosexuals, an outcome that would have undermined the reproductive cycle completely.
GIMS calls for employment, health care, and marketplace policies to change too, with the goal of providing better breastfeeding support throughout the reproductive cycle.
Even though the reproductive cycle is 20 to 40 years, there could well be a successful recruitment once a decade,'' he said.
A role for estrogen in the etiology and treatment of depression has been suggested by a number of factors, including the association of the disorder with female gender, the increased risk of the disorder at various stages of the reproductive cycle, and the observed blunting of serotonergic responsivity in women after menopause.
Exceptionally early warm spring temperatures can trigger flowering in soybeans two weeks earlier than normal, bringing the reproductive stage earlier in the growing season when light intensity is higher, increasing the length of the reproductive cycle.

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