单词 | norgestrel |
释义 | norgestrel Pharm.|nɔːˈdʒɛstrəl| [f. nor- + progestogen + -rel, prob. after norethynodrel.] An artificial steroid hormone, C21H28O2, which has actions similar to those of progesterone and is used in some contraceptive pills.
1966R. A. Edgren et al. in Internat. Jrnl. Fertility XI. 389 Norgestrel..is a highly potent, totally synthetic progestogen chemically related to norethisterone and norethynodrel. 1974Nature 8 Mar. 98/3 Ovranette contains a progestogen called norgestrel which is not converted to oestrogen in the body. In fact it is actively anti-oestrogenic, reversing some of the changes brought about by oestrogen. |

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