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 ?
The law calls for DEA to address products that are "substantially similar" to anabolic steroids and that have been illegally marketed to promote muscle growth.
In January 2012 the Department of Agriculture conducted an inspection at Fenton's Glenbower Stables and is alleged to have found a kilogram of Nitrotain and a 20ml bottle of Ilium Stanabolic, both anabolic steroids and illegal for use on horses in Ireland.
The risky behaviors observed with the use of ergogenic supplements (physically fighting, heavy drinking, and driving while under the influence of alcohol) are similar to risky behaviors observed by nonmedical anabolic steroid users.
Anabolic steroids can also lead to an expansion of the cardiac muscle, which can cause heart attacks, according to Dr.
Butler's admission comes hot on the heels of the British Horseracing Authority's decision to ban trainer Mahmood Al Zarooni for eight years after he admitted to using anabolic steroids on some of his horses.
He said that as some of the anabolic steroids cause a reaction in the body that produces oestrogen, some 'roid users grow boobs.
Taking anabolic steroids is cheating and involves serious health risks.
Yet certain members of Congress have been led to believe that this study somehow changes the status of DHEA to that of an anabolic steroid.
The use of drugs was one, particularly anabolic steroids.
Since the kids were made well aware that higher blood pressure--a sign that something, possibly digestible anabolic steroids, may in their bodies--meant restricted participation, a phone call home, and possible suspension, they stopped using.
To date, no "pure" or "clean" anabolic steroid has been identified or created.
BALCO threw the testing labs a curve ball by developing a new anabolic steroid called tetrahydrogestrinone (teh-truh-high-dro-jes-trih-nohn).