| 释义 |
metœstrus Biol.|mɛˈtiːstrəs|
Also -um, (U.S.) metestrus |-ˈɛstrəs, -iːstrəs|, -um.
[f. meta- + œstrus, œstrum.]
The short period following œstrus in many mammals during which sexual activity subsides.
1900W. Heape in Q. Jrnl. Microsc. Sci. XLIV. 8 Metœstrum or the Metœstrous Period.—If conception does not take place during œstrus the activity of the generative organs gradually subsides during a definite period, which I have called the metœstrum; and this is followed..by a long period of rest. 1923Amer. Jrnl. Anat. XXXII. 340 Follicular phase [of the sexual cycle]: a, proestrus. b, oestrus. c, metoestrus (in certain species where ovulation is separated from oestrus by an interval). 1966McGraw-Hill Encycl. Sci. & Technol. XI. 476/1 After metestrus a relatively longer period of diestrus occurs before proestrus recurs... All these phases can be demonstrated in the guinea pig and rat. 1973Nature 12 Jan. 129/2 When the drug was administered on other days of the cycle, metoestrus, dioestrus or pro-oestrus, it failed to increase ovulation rate.
Hence meˈtœstrous a.
1900[see above]. 1956Nature 4 Feb. 235/1 These groups were of pro-œstrous, œstrous, metœstrous and diœstrous rats. |