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	anabolic steroid anabolic steroid or androgenic steroid , any of a group of synthetic derivatives of testosterone 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,... Read more
	steroids steroids 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. In humans, steroids are... Read more
	Anabolic steroids Anabolic steroids Definition Anabolic steroids are compounds, derived from testosterone, which promote tissue growth and repair. Because they have been used improperly by body builders and other athletes, they are controlled substances under United States federal law. Description As of 2004, there... Read more
	Androstenedione Androstenedione Description Androstenedione is a hormone that occurs naturally in the body, and is one of those responsible for male characteristics. It is a metabolite of DHEA , and as such, a direct precursor to the male hormone testosterone. It is found in some plant matter, notably pollen,... Read more
	testosterone testosterone , 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 from ... Read more
	adrenal gland adrenal gland or suprarenal gland , endocrine gland (see endocrine system ) about 2 in. (5.1 cm) long situated atop each kidney. The outer yellowish layer (cortex) of the adrenal gland secretes about 30 steroid hormones, the most important of which are aldosterone and cortisol . Cortisol... Read more
	digitalis digitalis , any of several chemically similar drugs used primarily to increase the force and rate of heart contractions, especially in damaged heart muscle. The effects of the drug were known as early as 1500 BC; it was later obtained from the foxglove plant, Digitalis purpurea, and from fuchsia... Read more
	sports medicine sports medicine branch of medicine concerned with physical fitness and with the treatment and prevention of injuries and other disorders related to sports. Knee, leg, back, and shoulder injuries; stiffness and pain in joints; tendinitis; "tennis elbow" ; and dehydration are some common... Read more
	rheumatic fever rheumatic fever , systemic inflammatory disease, extremely variable in its manifestation, severity, duration, and aftereffects. It is frequently followed by serious heart disease, especially when there are repeated attacks. Rheumatic fever usually affects children. It is closely related to a... Read more
	hydrocortisone hydrocortisone , another name for the steroid hormone cortisol , more especially used to refer to preparations of this hormone used medicinally. Hydrocortisone, introduced in 1952, is more potent than cortisone with respect to medicinal metabolic and anti-inflammatory effects. Like cortisone, it... Read more