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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 or oestrus 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 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 | 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
  • What is the difference between estrus and estrous?
    The terms estrus and estrous are often confused, but understanding the nuanced difference between them is crucial for anyone working with animal reproduction: estrus refers specifically to the period when a female animal is receptive to mating, while estrous is the entire reproductive cycle leading up to estrus
  • ESTRUS | definition in the Cambridge English Dictionary
    The female panda is in estrus for only 24 to 48 hours per year Just before the mother seal departs for the sea, she comes into estrus and mates
  • Estrus - an overview | ScienceDirect Topics
    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 - Embryology
    The estrous cycle is generally divided into the four stages of proestrus, estrus, metestrus, and diestrus On cytological evaluation, these stages are defined by the absence, presence, or proportion of 4 basic cell types as well as by the cell density and arrangement of the cells on the slide
  • lecture 9: estrous cycles
    Psuedo-pregnancy occurs in non-pregnant bitch because of increases in prolactin After mating, LH surge induced, progesterone increases then decreases, estrus returns after parturition when progesterone goes back down Menstrual Cycle in Human Females (Figure 6) (Concept Tutor on Menstrual Cycles)
  • ESTRUS Definition Meaning | Dictionary. com
    ESTRUS definition: the period of heat or rut; the period of maximum sexual receptivity of a female mammal See examples of estrus used in a sentence
  • Estrus | definition of estrus by Medical dictionary
    the recurrent, restricted period of sexual receptivity in female mammals other than human females, marked by intense sexual urge See also estrous cycle Called also estruation, estrum, and heat adj , adj es´trual, es´trous





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