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 ?
Thus, human being has more chance to be exposed to higher exogenous anabolic androgenic steroids present in pork.
In an academic report found at university of Heidelberg, the main body of the thesis (for a master's degree) was public, but a secret appendix describing the true "Materials and Methods" of that study and documenting the androgenic steroid doping of three shot-put athletes was stored as classified material in the professor's office.
Anabolic androgenic steroids and a stroke in an athlete: case report.
It aims to highlight the use of anabolic androgenic steroids across all levels of sport and gain an accurate picture of the problem.
Andro was added to the IOC's banned list last year under the category of anabolic androgenic steroids.
The legislation, if enacted, would cover three hard drug categories: anabolic androgenic steroids, Beta 2 agonists (other than asthma medications) and peptides and glycoprotein hormones and analogues, which include growth hormones and erythropoeitin.
Buckley and his associates determined that, of that number, almost 7 percent admitted they either use or had used anabolic or androgenic steroids up to that point in their athletic careers.
The mechanism of action of CB7630 may result in the inhibition of many androgenic steroids that may be contributing to disease progression in breast cancer patients.
Androgenic steroids are known to influence bone growth, transformation and changes, as well as the transformation of tendons in joints.
The World Anti-Doping Agency has forbidden the use of anabolic androgenic steroids because of their performance-enhancing effects in sports (1).
Although anabolic androgenic steroids increase muscle strength, they have inconsistent effects on aerobic performance.
LAS VEGAS -- If an athlete presents with a sudden breakout of comedones, sebaceous cysts, or cystic acne, think about abuse of anabolic androgenic steroids as the potential culprit, Dr.