proestrus


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Related to proestrus: metestrus, estrous

proestrus

 [pro-es´trus]
the period of heightened follicular activity preceding estrus.

pro·es·trus

(prō-es'trŭs),
The period in the estrus cycle preceding estrus, characterized by the growth of the graafian follicles and physiologic changes related to estrogen production.
Synonym(s): proestrum

proestrus

(prō-ĕs′trəs)
n.
The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.

pro·es′trous adj.

pro·es·trus

(prō-es'trŭs)
The period preceding estrus, characterized by heightened follicular activity and estrogen production.
Synonym(s): pro-oestrus.

proestrus

the period of heightened follicular activity preceding estrus.
References in periodicals archive ?
All adult females were found to be reproductively active throughout the year, either in pregnancy (51%), lactating (20%), or reproductive (29%, in the estrus or proestrus phases of the reproductive cycle).
05) between both protocols in regards to days of recuperation for the following clinical variables: days until the next proestrus (138 days), days until a normal echography (15 days), days until absence of vomiting (6.
A proestrus smear primarily consisted of a predominance of nucleated epithelial cells; an estrus smear primarily consisted of anucleated cornified cells; a metestrus smear consisted of the same proportion among leukocytes, cornified, and nucleated epithelial cells; and a diestrus smear primarily consisted of a predominance of leukocytes (MARCONDES et al.
After detecting the proestrus phase, the female rats were distributed in pairs, in polyethylene cages, with appropriate bedding, in the presence of a male rat at the end of the afternoon.
Right before estrus, there is a short state called proestrus.
This reduction in the CFU/ml is due to the removal of the irritating agent, also promoted by the increase in local immune response caused by the estrogenic phase during proestrus and estrus.
The cycles were regarded as normal when they showed typical stages of proestrus, estrus, met-estrus and di-estrus stages, which normally lasts for 4-6 days.
The first postpartum luteal phase can be of short duration (< 12 days), which is usually associated with lack of previous exposure to progesterone (27) or adequate estradiol during proestrus (28).
Kisspeptin neurons in the periventricular nucleus were actived by estrogens during the proestrus in the rat (Smith et al.