Concept information
Preferred term
Steroids
Type
-
Topical Descriptor
Broader concept
Narrower concepts
Entry terms
- Steroid
Note
- general or unspecified; prefer specific steroid groups or specific steroids; PLANT STEROIDS see PHYTOSTEROLS is also available
Scope note
- 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)
History note
- 1963; CATATOXIC STEROIDS was heading 1974-95
URI
http://www.yso.fi/onto/mesh/D013256
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