| 释义 |
œstrous, a.|ˈiːstrəs, ˈɛs-|
Also (U.S.) estrous.
[f. L. œstr-us (see below) + -ous.]
Pertaining to, or causing, an œstrus (sense 2 b); in heat; œstrous cycle, the cyclic series of changes preceding, including, and following œstrus that takes place in most female mammals and involves esp. the reproductive and endocrine systems.
1900Q. Jrnl. Microsc. Sci. XLIV. 60 The sexual season of all mammals is evidenced by a series of phenomena which constitute, in the absence of the male, one œstrous cycle (monœstrous mammals) or a series of œstrous cycles (polyœstrous mammals). 1901Brit. Med. Jrnl. No. 2097. 594 The recurrent presence in the blood of an œstrous toxin. 1904Phil. Trans. R. Soc. B. CXCVI. 47 (heading) The œstrous cycle and the formation of the corpus luteum in the sheep. Ibid. 73 (heading) Number of follicles discharging at an œstrous period. 1920Lancet 2 Oct. 727/1 Under well-regulated food conditions the œstrous cycle in the guinea-pig is almost uniformly 16–17 days in duration. 1963A. Heron Towards Quaker View of Sex 54 In most mammals, the oestrous cycle of the female, hormone-controlled, is an important factor. 1972Science 5 May 519/1 Estrous rhythms and ovulation pattern had been reversed by substituting darkness for daylight. 1975Sci. Amer. May 57/1 He [sc. a young male lion]..will mate if he encounters an unattended estrous female. |