• The estrous cycle (from Latin oestrus 'frenzy', originally from Ancient Greek οἶστρος (oîstros) 'gadfly') is a set of recurring physiological changes...
    28 KB (3,486 words) - 20:52, 16 March 2024
  • Menstruation (mammal) (category Menstrual cycle)
    menstrual cycle. Female domestic animals used for breeding—for example dogs, pigs, cattle, or horses—are monitored for physical signs of an estrous cycle period...
    20 KB (2,101 words) - 05:03, 26 December 2023
  • The cycle is controlled by several hormones which regulate the estrous cycle, the mare's behavior, and the reproductive system of the mare. The cycle begins...
    59 KB (8,715 words) - 08:21, 22 March 2024
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    old, at which age female dogs will start having an estrous cycle. There are four stages of estrous: proestrus, estrus, diestrus, and anestrus. A dog in...
    20 KB (2,429 words) - 06:02, 26 March 2024
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    Endometrium (section Cycle)
    mouse. In most other mammals, the endometrium is reabsorbed in the estrous cycle. During pregnancy, the glands and blood vessels in the endometrium further...
    26 KB (2,870 words) - 01:03, 3 March 2024
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    mature. Female dogs have an estrous cycle that is nonseasonal and monestrus, i.e. there is only one estrus per estrous cycle. The interval between one estrus...
    97 KB (11,710 words) - 06:23, 6 February 2024
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    estrous cycle and it shortens estrous cycles. The second signal is released during the ovulatory phase of the estrous cycle and it lengthens estrous cycles...
    80 KB (9,922 words) - 20:28, 11 January 2024
  • veterinary medicine, it helps differentiate the stages of the mammalian estrous cycle because the vaginal epithelium changes in response to sex hormone levels;...
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    continue to undergo regular estrous cycles until death unless the cycle is interrupted by a pregnancy. In cows, a complete estrous cycle lasts 21 days. Most commonly...
    74 KB (9,804 words) - 09:52, 20 March 2024
  • Thumbnail for Follicular phase
    or proliferative phase, is the phase of the estrous cycle (or, in primates for example, the menstrual cycle) during which follicles in the ovary mature...
    11 KB (1,182 words) - 07:14, 8 January 2024
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    artificial insemination. The term “estrus” refers to the phase of the estrous cycle in which a sexually mature, non-pregnant female is receptive to sexual...
    6 KB (881 words) - 03:16, 3 December 2023
  • overlooked because males have fewer "complicating" factors such as the estrous cycle. The book won Foyles Non-Fiction Book of the Year in December 2023....
    3 KB (280 words) - 14:16, 24 March 2024
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    dynamics is essential. If a female hamster encounters a male when her estrous cycle is not at the point for mating, then the two hamsters will be aggressive...
    11 KB (1,256 words) - 23:59, 28 November 2023
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    and hormonal intrauterine devices (IUDs). Most female mammals have an estrous cycle, but only ten primate species, four bat species, the elephant shrews...
    52 KB (6,257 words) - 00:40, 17 March 2024
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    through the vagina (in mammals that go through a menstrual cycle). Across an estrous cycle, the functional layer regenerates to provide nourishing tissue...
    17 KB (1,684 words) - 21:14, 23 March 2024
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    though mares in the wild may allow a foal to nurse for up to a year. The estrous cycle, also known as "season" or "heat" of a mare occurs roughly every 19–22...
    12 KB (1,414 words) - 01:34, 27 March 2024
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    does not occur, the secretory lining will be absorbed (estrous cycle) or shed (menstrual cycle). The decidua is shed with the placenta during birth. As...
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    first estrous cycle. They will experience subsequent estrous cycles semiannually, during which the body prepares for pregnancy. At the peak of the cycle, females...
    128 KB (12,636 words) - 13:36, 28 March 2024
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    hormones during periods such as pregnancy, lactation, and following the estrous cycle. This is particularly visible in pyramidal cells of the CA1 region of...
    24 KB (2,826 words) - 19:26, 28 February 2024
  • deuterostome developmental biology diakinesis dioestrus In the mammalian estrous cycle, the long period of quiescence following ovulation, during which the...
    17 KB (1,491 words) - 17:02, 25 November 2023
  • power In heat or on heat, a period of increased sexual drive in the estrous cycle of mammals Heat pump Hīt, Iraq (pronounced "heat") Renewable heat The...
    8 KB (1,037 words) - 17:49, 31 December 2023
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    was analyzed through immunoassay to know about their luteal phase. Estrous cycle duration was of about 33 days. During pregnancy, ultrasonography showed...
    26 KB (3,127 words) - 15:45, 19 November 2023
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    and a divided uterus; many have a marsupium, the pouch. The average estrous cycle of the Virginia opossum is about 28 days. Opossums do possess a placenta...
    67 KB (6,114 words) - 08:24, 11 March 2024
  • dictionary. The mating season is the seasonal period when a female animal's estrous cycle is active, signaling animals to mate The Mating Season or variation...
    2 KB (261 words) - 19:42, 10 October 2022
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    tb05821.x. PMID 853730. Johnson, A.K; Kutzler, M.A, eds. (2022). "Feline Estrous Cycle". Feline Reproduction. pp. 11–22. doi:10.1079/9781789247107.0002. ISBN 9781789247084...
    157 KB (16,235 words) - 12:28, 26 March 2024
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    marsupial has a short gestation period, typically shorter than its estrous cycle, and gives birth to an underdeveloped (altricial) newborn that then...
    16 KB (4,045 words) - 15:41, 26 March 2024
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    of the risk, those spayed after one estrous cycle have 8.0% of the risk, and dogs spayed after two estrous cycles have 26.0% of the risk of developing...
    19 KB (2,355 words) - 20:13, 5 March 2024
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    sexual maturity and undergoes estrous cycles (proestrus, estrus, metestrus, and diestrus). As a result of estrous cycling, the mammary gland undergoes...
    50 KB (5,457 words) - 11:28, 24 March 2024
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    an estrous cycle. This cycle is regulated by surges in Luteinizing hormone that are observed 3 weeks from each other. This type of estrous cycle has...
    91 KB (9,692 words) - 04:06, 25 March 2024
  • Thumbnail for Erin Calipari
    Calipari, Erin S. (January 23, 2019). "Cues play a critical role in estrous cycle-dependent enhancement of cocaine reinforcement". Neuropsychopharmacology...
    13 KB (1,197 words) - 17:34, 28 March 2024