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estrus    音标拼音: ['ɛstrəs]
n. 动情期,动情周期

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  • Estrous cycle - Wikipedia
    Estrus (US-EN) or oestrus[2] (UK-EN) refers to the phase when the female is sexually receptive (" in heat " in American English, or " on heat " in British English) Under regulation by gonadotropic hormones, ovarian follicles mature and estrogen secretions exert their biggest influence
  • Estrus | Heat Detection, Ovarian Activity Hormonal Changes | Britannica
    Estrus, the period in the sexual cycle of female mammals, except the higher primates, during which they are in heat—i e , ready to accept a male and to mate One or more periods of estrus may occur during the breeding season of a species
  • ESTRUS Definition Meaning - Merriam-Webster
    The meaning of ESTRUS is a regularly recurrent state of sexual receptivity during which the female of most mammals will accept the male and is capable of conceiving : heat; also : a single occurrence of this state
  • Estrus Cycle Overview: Definition, Signs Phases - ALLEN
    The estrus cycle, the reproductive system in most mammals, begins after puberty when reproductive hormones activate in sexually mature females The cycle lasts approximately four days and is divided into phases: proestrus, estrus, metestrus, and diestrus
  • What Is Estrus: The Female Reproductive Heat Cycle
    Estrus is the phase in a female mammal’s reproductive cycle when she becomes sexually receptive and fertile The word comes from Latin meaning “frenzy,” and it’s commonly called being “in heat ”
  • Estrous cycle - New World Encyclopedia
    Estrus refers to the phase when the female is sexually receptive ("in heat," or "on heat" in British English) Under regulation by gonadotropic hormones, ovarian follicles are maturing and estrogen secretions exert their biggest influence
  • Estrus - an overview | ScienceDirect Topics
    In estrus, peak estrogen levels start to decline, while progesterone levels are still elevated Estrus is characterized by sexual receptivity in females, i e , when animals are “in heat ” Metestrus, which is also known as diestrus I, is marked by a full decline in levels of estrogen and progesterone
  • Estrous cycle | physiology | Britannica
    Estrus, or “heat,” typically coincides with ovulation, and during this time the female is receptive to the male Estrus is preceded by proestrus, during which ovarian follicles mature under the influence of a follicle-stimulating hormone from the anterior pituitary
  • Tove Lo Announces 2026 ESTRUS Album and Global Tour
    Swedish pop star Tove Lo has revealed a new studio album and a worldwide tour that will begin in Nashville on September 15, 2026 The album, titled ESTRUS, i





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