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 ?
Oliver Bilton Date of violation: 13/12/2014 Sport: Rugby Union Club: Cardiff Met National Governing Body: Welsh Rugby Union 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: 13/12/2014 End date of sanction: 12/12/2016 Summary: The positive finding followed an in-competition test on December 13, 2014, following a Swalec Championship match between Cardiff Met and Narberth.
Anabolic agents have the potency to augment bone mass and strength, improve bone quality to a greater degree than antiresorptive agents.
By offering the best properties of antiresorptive and anabolic agents, this innovative compound potentially brings new hope to millions of people suffering from osteoporosis.
Anabolic agents are substances that aid in the development of muscle.
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.
Prior to market entry, BSCG verifies that dietary supplements are free of anabolic agents, stimulants, beta-2-agonists, diuretics, synthetic drugs, masking agents and other contaminants.
At a meeting session devoted to anabolic agents for fracture repair, Dr.
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.
Closer to home, a couple of years ago I was told by the then-BHB that anabolic agents - put simply, those that build muscle mass - were totally banned in Britain.
The recommended use for anabolic agents such as PTH and its analogs is to give them for 18-24 months, after which time an antiresorptive agent, such as a bisphosphonate, is given to preserve the gains, continue improvement of bone density and quality, and continue mineralization.
A breach of the code to warrant one to two year bans involves the use of prohibited anabolic agents, peptide and glyycoprotein hormones and analogues, a prohibited method or a refusal to provide a sample.
These isolated cases of pathology may represent idiosyncratic responses of susceptible individuals to the pharmacological doses used in AAS abusers; as a rule, however, the reported effects cannot be extrapolated to indicate a systematic generic/class effect of androgens with the important exception of the 17[alpha]-alkylated compounds, the most harmful of the anabolic agents.