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GlossaryEstrous Cycle

reproductive cycle in female mammals excluding humans and some primates

The estrous cycle, also known as the oestrous cycle, is the reproductive cycle in female mammals, excluding humans and some primates. It consists of a series of physiological changes that prepare the body for potential pregnancy, including phases like estrus (when the female is sexually receptive), ovulation, and luteal phases. This cycle is regulated by hormonal changes and is crucial for understanding animal breeding and reproductive health.

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research Endocrine Profile of the VCD-Induced Perimenopausal Model Rat

21 citations , December 2019 in “PloS one”

The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.

research Effects of Flutamide, a Pure Antiandrogen, on Endocrine Parameters in the Adult Female Rat

8 citations , January 1987 in “Gynecological Endocrinology”

Flutamide, an antiandrogen, has minimal impact on female rat endocrine systems and does not significantly change their reproductive cycles.

research Role of Androgen Receptor in Hypothalamic Regulation of Metabolism and Reproduction

January 2021 in “Deep Blue (University of Michigan)”

Androgen receptors in the brain affect metabolism and reproduction differently in males and females, and may help manage PCOS symptoms in females.

research Manifestation of Hyperandrogenism in the Continuous Light Exposure-Induced PCOS Rat Model

30 citations , January 2015 in “BioMed Research International”

Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.

research Estrus, Ovulation, And Serum Progesterone, Estradiol, And LH Concentrations In Mares After An Increased Photoperiod During Winter

83 citations , February 1977 in “PubMed”

Increasing light exposure in winter can make mares ovulate and cycle earlier.

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