单词 | etonogestrel |
释义 | e·to·no·ges·trel ![]() n. A progestin, C22H28O2, used in contraceptives delivered through a subdermally implanted device and, in combination with estrogen, in contraceptives delivered by means of a ring placed within the vagina. [(K)ETON(E) + (DES)OGESTREL.] |
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