| 释义 |
progestational, a.|prəʊdʒɛˈsteɪʃənal|
[f. pro-2 1 + gestation + -al.]
Relating to, promoting, or being part of the physiological preparations for pregnancy; applied esp. to substances whose physiological effects resemble those of progesterone; progestational proliferation, proliferation of the endometrium in preparation for pregnancy.
1923G. W. Corner in Physiol. Rev. III. 467 It seems preferable to avoid the suggestion of falsity or imitation inherent in the prefix pseudo [in pseudopregnancy], by using the terms progravid, progestational. 1928Amer. Jrnl. Physiol. LXXXVI. 78 Sections taken through the middle of the uterine horn showed that no progestational proliferation had taken place in these animals. 1929Ibid. LXXXVIII. 326 It is possible that there is an antagonistic relation between oestrin and the progestational substance. 1932Ibid. C. 111 The production of a progestational endometrium in the uterus of a castrate rabbit. 1944[see progestin]. 1948,1949[see gestagen]. 1954[see hydroxyprogesterone]. 1960Times 19 Jan. 3/5 (Advt.), Applicants should have had considerable experience in steroid chemistry, and be well acquainted with recent work on gonadotropic, oestrogenic and progestational hormones. 1970Sci. Jrnl. June 26/2 The ovaries produce ova and the oestrogenic and progestational hormones, mainly oestradiol and progesterone, which are concerned with the development and maintenance of the attributes of femaleness, including sexual receptivity and the inception of pregnancy. 1974Fertility & Sterility XXV. 575/1 A special uterine reaction to the luteal hormone (progestational proliferation) was identified in the adult rabbit.
Hence progeˈstationally adv., as regards progestational activity or state.
1948W. H. Pearlman in Pincus & Thimann Hormones I. 441 Corticosterone..(progestationally inactive in the Clauberg test). 1958Jrnl. Clin. Endocrinol. & Metabolism XVIII. 350 The highest point of formation of progestationally effective substances in the corpus luteum appears to be between the seventh and eighth day following ovulation. 1968R. W. Kistner in Astwood & Cassidy Clin. Endocrinol. II. vi. ix. 680 If an endometrial biopsy..reveals ‘progestationally immature endometrium’,..one tablet daily..can be prescribed. |
