steroid(redirected from 17-keto steroid)
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1. Any of numerous fat-soluble organic compounds that have a core structure of 17 carbon atoms arranged in four rings, found naturally in animals, plants, and fungi, or produced synthetically. Steroids include the sterols (such as cholesterol), sex hormones (such as estrogen and testosterone), corticosteroid hormones (such as cortisol), bile acids, and anabolic steroids.
2. Informal An anabolic steroid.
In a very large, enhanced, or exaggerated form: "a weapon one observer had called an M16 on steroids" (Stephen Coonts).
ste′roid′, ste·roi′dal (stĕ-roid′l, stĭ-) adj.
(Biochemistry) biochem any of a large group of fat-soluble organic compounds containing a characteristic chemical ring system. The majority, including the sterols, bile acids, many hormones, and the D vitamins, have important physiological action
[C20: from sterol + -oid]
ste•roid(ˈstɪər ɔɪd, ˈstɛr-)
any of a large group of fat-soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action.
ste•roi•dal (stɪˈrɔɪd l, stɛ-) adj.
1. Any of a class of organic compounds having as a basis 17 carbon atoms arranged in four rings. Steroids include the sex hormones, such as testosterone, and hormones produced by the adrenal glands. They also include sterols, such as cholesterol, and certain forms of vitamins.
2. Any of various hormones having the structure of a steroid that are made synthetically, especially for use in medicine.
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|Noun||1.||steroid - any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects|
organic compound - any compound of carbon and another element or a radical
ketosteroid - a steroid containing a ketone group
steroid alcohol, sterol - any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
bile acid - any of the steroid acids generated in the liver and stored with bile
|2.||steroid - any hormone affecting the development and growth of sex organs|
endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
androgen, androgenic hormone - male sex hormone that is produced in the testes and responsible for typical male sexual characteristics
estrogen, oestrogen - a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics
adrenal cortical steroid, corticoid, corticosteroid - a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response; "adrenal cortical steroids are used to treat many different conditions"
anabolic steroid - any of a group of synthetic steroid hormones used to stimulate muscle and bone growth; more than 100 have been developed and each requires a prescription to be used legally in the United States; sometimes used illicitly by athletes to increase their strength
chất hữu cơ steroid
steroid[ˈstɪərɔɪd] N → esteroide m
steroid[ˈstɛrɔɪd] n → stéroïde m
n → Steroid nt
steroid[ˈstɛrɔɪd] n → steroide m
steroid→ سِتِرويِد steroid steroid Steroid στεροϊδές esteroide steroidi stéroïde steroid steroide ステロイド 스테로이드 steroïde steroide steroid esteróide стероид steroid สเตียรอยด์ steroid chất hữu cơ steroid 类固醇
n. esteroide, compuesto orgánico complejo del cual se derivan varias hormonas como el estrógeno, la testosterona y la cortisona.