Steroid

A steroid is a type of organic compound that contains a characteristic arrangement of four cycloalkane rings joined to one another. Examples of steroids include the dietary lipid cholesterol, the sex hormones estradiol and testosterone,{rp|10–19} bile acids, and drugs such as the anti-inflammatory agent dexamethasone. The steroid core is compose...
Found on http://en.wikipedia.org/wiki/Steroid

steroid

(ster;oid) A lipid, derived from cholesterol, that has three 6-sided carbon rings and one 5-sided carbon ring. These form the steroid hormones of the adrenal cortex and gonads.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

steroid

(ster´oid) any of a group of lipids with a complex molecule containing carbon atoms in four interlocking rings; three of the rings contain six carbon atoms each and the fourth contains five. Steroids are important in body chemistry and include steroid hormones such as the gonadal or sex steroids, corticosteroids, glucoc...
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steroid

noun any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
Found on https://www.encyclo.co.uk/local/20974

steroid

a family of substances that share a similar chemical structure, including certain hormones (e.g., testosterone) and various drugs.
Found on http://www.encyclo.co.uk/local/22225

steroid

a group name for lipids that contain a hydrogenated cyclopentanoperhydrophenanthrene ring system. Some of the substances included in this group are progesterone, adrenocortical hormones, the gonadal hormones, cardiac aglycones, bile acids, sterols (such as cholesterol), toad poisons, saponins, and some of the carcinogenic hydrocarbons.
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio82.html

steroid

A group name for lipids that contain a hydrogenated cyclopentanoperhydrophenanthrene ring system. Some of the substances included in this group are progesterone, adrenocortical hormones, the gonadal hormones, cardiac aglycones, bile acids, sterols (such as cholesterol), toad poisons, saponins and some of the carcinogenic hydrocarbons. ... (18 Nov 1...
Found on http://www.encyclo.co.uk/local/20973

Steroid

A medicine that helps to stop swelling and the body damaging a new organ, such as a kidney.
Found on http://www.kidney.org.au/KidneyDisease/KidneyGlossary/tabid/679/Default.xht

Steroid

Any fat-soluble organic substance with a certain basic chemical structure. Several different hormone
Found on http://www.superglossary.com/Glossary/Health/Vitamins/

steroid

any of a class of natural or synthetic organic chemical compounds characterized by a molecular structure of 17 carbon atoms arranged in four rings. ... [10 related articles]
Found on http://www.britannica.com/eb/a-z/s/161

steroid

Any of a group of cyclic, unsaturated alcohols (lipids without fatty acid components), which, like sterols, have a complex molecular structure consisting of four carbon rings. Steroids include the sex hormones, such as testosterone, the corticosteroid hormones produced by the adrenal gland, bile acids, and cholesterol. The term is commonly used to ...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006876.html

steroid

Any of a group of lipids (fats) that have a certain chemical structure. Steroids occur naturally in plants and animals or they may be made in the laboratory. Examples of steroids include sex hormones, cholesterol, bile acids, and some drugs.
Found on http://www.cancer.gov/dictionary?expand=S

steroid

Any of a group of lipids derived from a saturated compound called cyclopentanoperhydrophenanthrene. Steroids have a basic molecular structure of 15 carbon atoms arranged in four rings and bounded by up to 28 hydrogen atoms. Among the most important steroid derivatives are the steroid alcohols, or st...
Found on http://www.daviddarling.info/encyclopedia/S/steroid.html

Steroid

Noun: One of a group of hormones chemically related to cholesterol. They include oestrogen, which controls female sexual development, androgen , which produces male characteristics and builds up muscular protein tissue, progesterone, which plays an important part in the regulation of the menstrual cycle and in pregnancy, and the corticosteroids , w...
Found on http://www.encyclo.co.uk/local/20555

Steroid

Steroid: A general class of chemical substances that are structurally related to one another and share the same chemical skeleton (a tetracyclic cyclopenta[a]phenanthrene skeleton). Many hormones, body constituents, and drugs are steroids. Thus, the term steroid may carry many meanings. For example, steroids may refer to the corticosteroid drugs su...
Found on http://www.medterms.com/script/main/art.asp?articlekey=5556

Steroid

These are a group of chemicals that are produced naturally in the body. For example, the hormones testosterone and oestrogen are steroids. Steroids may also be produced artificially and used as medical drugs. These tend to have anti-inflammatory effects.
Found on http://www.encyclo.co.uk/local/20560

steroid

Type: Term Pronunciation: stēr′oyd, ster′oyd Definitions: 1. Pertaining to the steroids. 2. One of the steroids (sterols, bile acids, cardiac glycosides, androgens, estrogens, corticosteroids, precursors of the D vitamins). 3. Generic designation for compounds closely related in structure to the steroids, such as sterols, bile acid...
Found on http://www.medilexicon.com/medicaldictionary.php?t=84997

steroid

[n] - any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings
Found on http://www.webdictionary.co.uk/definition.php?query=steroid
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