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 ?
Ashley Bateman Date of violation: 24/11/2014 Sport: Rugby League Club: South Wales Scorpions Honours: Wales National Governing Body: Rugby Football League Rule violated: Presence of a prohibited substance or its metabolites or markers in an athlete's sample Class of drug: Anabolic Agents Substance: Oxandrolone Start date of sanction: 18/12/2014 End date of sanction: 17/12/2016 Summary: Caught by an out-ofcompetition test.
Wnt signaling inhibitors and calcilytic drugs are promising new anabolic agents
A number of antiresorptives and the anabolic agent teriparatide are available to individualize therapy, and it is expected that novel agents will provide opportunities to further optimize treatment approaches.
Of these 25 were for stimulants, of which the vast majority were for substances confirmed as permitted medications, 19 were for anabolic agents and nine were for a refusal to take a test.
Describe the role that pharmacologic intervention, particularly anabolic agents, can play in reversing IWL.
Increases in total cholesterol occur with anabolic steroids, and this has been shown to augment the coronary artery response to catecholamines,[13] Anabolic agents have also been shown to enhance this pressor response to catecholamines in rodents.
The slaughterhouse monitoring aspect is of particular importance given that the long-standing transatlantic row over US beef from cattle adMinistered with anabolic agents could well soon be settled if Washington were to accept the European Commission's proposal to raise the US export quota for certified hormone-free beef (currently set at 11,500 tonnes a year) as compensation for the EU's almost eleven-year-old ban on imports of meat treated from cows with growth hormones.
The launch of daily teriparatide (Eli Lilly's Forteo/Forsteo) and once-weekly teriparatide (Asahi Kasei's Teribone) in Japan gives patients in that market their first access to anabolic agents.
The work underscores the utility of anabolic agents.
Cox, who won a gold medal as an alternate, has been banned for four years and had all her results since 2001 disqualified for using prohibited anabolic agents and hormones between 2001 and 2004.
In the future, the use of mass spectroscopy and liquid chromatography testing may help catch more of the athletes who are abusing anabolic agents.