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单词 ketosteroid
释义

ketosteroid


ke·to·ste·roid

K5044600 (kē′tō-stĕr′oid′, -stîr′-)n. A steroid, such as androsterone or estrone, that contains a ketone group.

ketosteroid

(ˌkiːtəʊˈstɪərɔɪd; ˌkiːtəʊˈstɛrɔɪd) n (Chemistry) any steroid containing a ketone group in its molecule

ke•tos•ter•oid

(kɪˈtɒs təˌrɔɪd)

n. any of a group of steroids containing a ketone group. [1935–40]
Thesaurus
Noun1.ketosteroid - a steroid containing a ketone groupandrosterone - an androgenic hormone that is less active than testosteroneestrone, Estronol, oestrone, theelin - a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiencycortisone, Cortone Acetate - a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisonesteroid - any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects

ketosteroid


ketosteroid

[¦kēd·ō′stir‚ȯid] (biochemistry) One of a group of neutral steroids possessing keto substitution, which produces a characteristic red color with m-dinitrobenzene in an alkaline solution; these compounds are principally metabolites of adrenal cortical and gonadal steroids.

ketosteroid


ketosteroid

 [ke″to-ste´roid] a steroid having ketone groups on functional carbon atoms.17-k's steroids found in normal urine and in excess in certain tumors, which have a ketone group on the 17th carbon atom, and include certain androgenic and adrenocortical hormones.

ketosteroid

(kē′tō-stĕr′oid′, -stîr′-)n. A steroid, such as androsterone or estrone, that contains a ketone group.

ketosteroid

A steroid hormone to which an oxygen molecule has been attached, especially at the 17th carbon atom (C-17). An oxosteroid. A 17-ketosteroid is a steroid with a C-O (carbonyl) group at C-17. 17-ketosteroids are excreted in the urine as breakdown products of ANDROGENS and are present in excess in adrenal and gonadal overactivity.
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更新时间:2025/2/27 14:58:57