anabolic steroid

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anabolic steroid

(ăn'əbŏl`ĭk stĕr`oid, stĭr`–) or

androgenic steroid

(ăn'drōjĕn`ĭk), any of a group of synthetic derivatives of testosteronetestosterone
, principal androgen, or male sex hormone. One of the group of compounds known as anabolic steroids, testosterone is secreted by the testes (see testis) but is also synthesized in small quantities in the ovaries, cortices of the adrenal glands, and placenta, usually
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 that promote muscle and bone growth. Used to treat uncontrolled weight loss in wasting diseases, anabolic steroids have also been taken by bodybuilders and athletes seeking increased muscle mass, strength, and stamina. Such use is banned by the International Olympic Committee and other governing bodies in sports, but not all sports test for steroids. Major League Baseball did not test for steroids until 2003, when random testing returned positive results on more than 5% of the players tested, and the National Hockey League still does not test. Under a 1988 federal law it is illegal to distribute anabolic steroids for nontherapeutic uses, and in 1991 they joined other abused drugs as controlled substances. Nonetheless, a precursor hormone called dehydroepiandrosterone (DHEA), which can convert to testosterone in the body, is available as a dietary supplement without a prescription. Abuse of anabolic steroids may lead to elevated cholesterol levels, liver disease, blood clots leading to heart attack or stroke, increased aggressiveness and irritability, and, in adolescents, permanent stunting of growth. See also steroidssteroids,
class of lipids having a particular molecular ring structure called the cyclopentanoperhydro-phenanthrene ring system. Steroids differ from one another in the structure of various side chains and additional rings. Steroids are common in both plants and animals.
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.

anabolic steroid

[‚an·ə¦bäl·ik ′sti‚rȯid]
(biochemistry)
Any of a group of steroid hormones that increase anabolism.

anabolic steroid

any of a group of synthetic steroid hormones (androgens) used to stimulate muscle and bone growth for therapeutic or athletic purposes
References in periodicals archive ?
One might say that Thomas revisits the fictitious heteronomies of Pessoa but with the coldness of someone who dissects his (in this case artistic) medium, and he grants sym bolic value to all of its components.
Then his relative naivety wide right was exposed by the brilliant Bolic.
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Dyslipidemia is possibly the most common meta- bolic abnormality of PCOS, although the findings of relevant studies have been variable and a sub- stantial percentage of women with PCOS might still have normal lipid profiles.
We hypothesize that the greater blood pressure--lowering effects by aliskiren relative to irbesartan in meta bolic syndrome may be the result of more complete renin system inhibition by aliskiren in the kidney and/or adipose tissue.
The readings peppered what is always ultimately a music-packed evening of choir numbers, soloist showcases and congregational favourites - including a rousing O Come All Ye Faithful and an entertainingly sham bolic attempt at a gesture-led Twelve Days Of Christmas.
Bosnia have not looked the same team since key players Hasan Salihimidzic and Elvir Bolic retired from international football last summer.
Struggling Spain were held 1-1 in Bosnia after Rayo Vallecano striker Elvir Bolic cancelled out an opener by Vicente.
But a 12th-minute goal from Martin Joergensen set Denmark on their way and even though Elvir Bolic equalised before the break the Danes did enough to hold on for victory.
Wales brought on Mark Crossley for Ward at the break, and inside a minute the Middlesbrough keeper was in need of treatment after diving out at the feet of his own defender Andy Melville and Elvir Bolic.