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Related to diestrus: anestrus, estrous, proestrus, Oestrus


 (dī-ĕs′trəs) also di·es·trum (-trəm)
In most female mammals, a short period of sexual quiescence between two estrus periods, during which the uterus is prepared for a fertilized ovum.

di·es′trous adj.


(Zoology) the US spelling of dioestrus


(daɪˈɛs trəs)

an interval of sexual inactivity between periods of estrus.
[1940–45; di-3 + estrus]
di•es′trous, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diestrus - (of animals having several estrous cycles in one breeding season) a state or interval of sexual inactivity or quiescence between periods of activity
anestrum, anestrus, anoestrum, anoestrus - applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
References in periodicals archive ?
Treatment with the high dose of PFOS further reduced the number of regular cyclers to 42% and increased the number of animals in persistent diestrus from 8% in the low-dose group to 33%.
The dependent variables were developmental body weight, age at eye opening, anogenital distance, age at VO, age at first diestrus, wet weight of uterus and ovaries, number of ER-[beta]-positive cells in the AVPV or SON, and volume bf the AVPV or SON.
During fetal life in males and females, pregnancy, or proestrus in females, estradiol levels are significantly higher than during postnatal life in males or prior to puberty and during diestrus in females (53).
Smears were stained with Giemsa and scored for proestrus, estrus, metestrus, or diestrus according to classical vaginal smearing technique (15).
The vaginal cytology of some animals revealed intermittent extended periods of diestrus, whereas others exhibited extended periods of proestrus and/or estrus.
In rats maintained on a 12 hr light:12 hr dark cycle, wheel activity begins to increase during the night of diestrus and peaks during the night of proestrus (19-24).
Mice were evaluated to determine when they entered diestrus -- the phase in the estrous cycle when estrogen levels are close to their peak.
Vaginal smears from control group, which was subjected to sham-OVX, showed one of the regular estrous cycles including diestrus, proestrus, estrus, and metestrus.
found that the administration of high-dose PFOS (10 mg/kg) for 2 wk could cause a persistent diestrus in rats, whereas the doses of 1 mg/kg did not (Austin et al.
Concentration of receptors for estradiol and proges-terone in canine endometrium during estrus and diestrus.
Blood sample were collected on post-partum day (PPD) 60, 82 and 105 of the lactation stage during diestrus.