Steroid: Avoid using the simple word steroid in a special sense, such as adrenal corticosteroid (or corticoid) or anabolic steroid, unless the meaning is clear from the context. (1) Pertaining to the steroids. SYN: steroidal. Cf.: steroids (2) One of the steroids (e.g., sterols, bile acids, cardiac glycosides, androgens, estrogens, corticosteroids, precursors of the D vitamins). SYN: sterid. (3) Generic designation for compounds closely related in structure to the steroids, such as sterols, bile acids, cardiac glycosides, androgens, estrogens, corticosteroids, and precursors of the D vitamins. [G. stereos, solid; solid lipids vs oils]
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
Steroid: compounds that contain a hydrogenated cyclopentanoperhydrophenanthrene ring system; they include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols, and certain natural drugs and poisons.
Source: CRISP
Steroid: A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed).
Source: MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - CRISP
Source - CRISP
Source: CRISP
Source: CRISP
The following list attempts to classify Steroid into categories where each line is subset of the next.
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