| 释义 |
ˈœstrual, a.
[irreg. f. œstrus + -al1; app. by association with menstrual, menstruate, etc.]
Pertaining to or affected by an œstrus; œstrous. So ˈœstruate v., to be affected by an œstrus, to be in heat, to rut; ˈœstruation, rutting.
1857Mayne Expos. Lex., Œstrual, of or belonging to the œstrum or orgasm. Œstruation,..the state of being under influence of the œstrum. 1859J. C. Dalton Treat. Human Physiol. ii. v. 471 The ripening and discharge of the egg are accompanied by a peculiar condition of the entire system, known as the ‘rutting’ condition, or ‘œstruation’. 1883Brit. Med. Jrnl. 3 Mar. 398/1 Observation of wild animals..shows that, after a definite period of quiescence, œstruation, or the ‘rut’, invariably recurs at epochs which strictly conform to some multiple of weeks. 1891Cent. Dict., Œstruate. 1924Amer. Jrnl. Physiol. LXVIII. 294 (heading) The effect of pubescence, oestruation and menopause on the voluntary activity in the albino rat. Ibid. 303 The oestrual cycles became more and more irregular..as the animals approached the end of their sexual life. 1936Ibid. CXVI. 5 Oestrual behavior in cats represents a specific pattern of response. 1961Nature 16 Dec. 1043 (heading) Variations in the nuclear deoxyribonucleic acid content in the adrenal cortex of the female white rat during the œstrual cycle. |