estrus


estrus
That portion or phase of the sexual cycle of female animals characterized by willingness to permit coitus; readily detectable behavioral and other signs are exhibited by animals during this period. SYN: heat (3). [G. oistros, mad desire]
- postpartum e. e. with ovulation and corpus luteum production that occurs in some animals ( e.g., the fur seal) immediately following the birth of the young.

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es·trus 'es-trəs or es·trum -trəm or chiefly Brit oes·trus 'ē-strəs or oes·trum 'ē-strəm n
1 a) a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving: HEAT
b) a single occurrence of this state
2) ESTROUS CYCLE

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es·trus (esґtrəs) [L. oestrus gadfly; Gr. oistros anything that drives mad, any vehement desire] the recurrent, restricted period of sexual receptivity in female mammals other than human females, marked by intense sexual urge. See also estrous cycle, under cycle. Called also estruation, estrum, heat, and rut. Also spelled oestrus. estrous, estrual adj

Medical dictionary. 2011.

Look at other dictionaries:

  • estrus — èstrus m DEFINICIJA fiziol. skup promjena u ženki sisavaca povezanih s razdobljem parenja ETIMOLOGIJA lat. estrus ← grč. oȋstros: obad; strast …   Hrvatski jezični portal

  • estrus — estrus. См. эструс. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • estrus — 1850, frenzied passion, from L. oestrus frenzy, gadfly, from Gk. oistros gadfly, breeze, sting, mad impulse, perhaps from a PIE *eis, forming words denoting passion (Cf. Avestan aeЕЎma anger, Lith. aistra violent passion, L. ira anger ). First… …   Etymology dictionary

  • estrus — (Brit. oestrus) ► NOUN ▪ a recurring period of sexual receptivity and fertility in many female mammals. DERIVATIVES estrous adjective. ORIGIN Greek oistros gadfly or frenzy …   English terms dictionary

  • estrus — [es′trəmes′trəs; ] Brit usually [ ē′strəs] n. [ModL < L oestrus, gadfly, horsefly, frenzy < Gr oistros, gadfly, sting, frenzy < IE base * eis , to move violently > ON eisa, to rush on, L ira, ire, Lith aistra, violent passion] 1. the… …   English World dictionary

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  • estrus — estrual /es trooh euhl/, adj. /es treuhs/, n. Zool. 1. Also, estrum /es treuhm/, oestrus. the period of heat or rut; the period of maximum sexual receptivity of the female. 2. See estrous cycle. [1885 90; < L oestrus OESTRUS] * * * Period in the… …   Universalium

  • Estrus — ruja statusas T sritis gyvūnų raida, augimas, ontogenezė, embriologija atitikmenys: lot. Estrus; Oestrus ryšiai: platesnis terminas – rujos ciklas …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • estrus — noun Etymology: New Latin, from Latin oestrus gadfly, frenzy, from Greek oistros more at ire Date: circa 1890 a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of… …   New Collegiate Dictionary

  • estrus — noun alternative spelling of oestrus …   Wiktionary