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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.
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anabolic steroid

[‚an·ə¦bäl·ik ′sti‚rȯid]
(biochemistry)
Any of a group of steroid hormones that increase anabolism.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

anabolic steroid

any of a group of synthetic steroid hormones (androgens) used to stimulate muscle and bone growth for therapeutic or athletic purposes
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
"Roid rage," the fierce temper that contributes to brutal murders and violence against women, is an immediate danger.
More controversial effects of steroid use may be psychiatric, since many observers report "big time depression" and suicidality associated with discontinuation of steroids and overly aggressive behavior, or "roid rage," during active use.
Anecdotal accounts of harrowing side effects are not hard to find--everything from "'roid rage" to sketchy rumors of a female East German swimmer forced to undergo a sex change operation because of the irreversible effects of excess testosterone.
Beyond the physical effects, steroids also tend to increase aggressive tendencies, resulting in the so-called "roid rage." Though athletes may benefit from some aggression, aggressive behavior brought on by steroid use can be difficult to control and can manifest itself in situations where such behavior is socially unacceptable or even dangerous.
While reports of psychotic symptoms, such as delusions and hallucinations, were rare, the increased aggression described by these steroid addicts echoes anecdotal reports of individuals who fly into a so-called "roid rage," harming themselves or others.
Prosecutors said Leiderman offered a "raging bull" defense saying: "The defense attorney characterized Koppenhaver as a 'raging bull' with brain injuries from his fighting career and emotions inflamed by the use of steroids and non-prescription stimulant and antidepressant drugs that combined could have caused mood swings and violence that Leiderman termed 'roid rage.'"
According to the paper, police are also testing the gold medallist's blood for steroids, amid speculation he may have experienced "roid rage", aggressive behaviour linked to taking large doses of performance enhancing drugs.
He referred to another incident in which the best friend was said have acted "weirdly" towards girls after which he explained his actions as "roid rage".
Studies around the world have shown that steroid abuse causes "roid rage" - sudden outbursts of extreme violence fuelled by paranoia.
Increased aggression and violent episodes among anabolic steroid users have been documented across the world since the 1970s by researchers examining what is sometimes labelled "roid rage".
We then went to the university to shred an eight-stair, where some football coach unleashed his 'roid rage and nearly ate Paul Trep.
"The concept of 'roid rage' comes up in the media often, but it's not a medical term," says William Llewellyn, a scientist who is the CEO of Molecular Nutrition and author of 'Anabolics,' a book now in its 10th edition which examines performance drugs used by athletes.