Hormone vs Steroid - What's the difference?
hormone | steroid |
(physiology) Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
(pharmacology) A synthetic compound with the same activity.
Any similar substance in plants.
(biochemistry) A class of organic compounds having a structure of 17 carbon atoms arranged in four rings; they are lipids, and occur naturally as sterols, bile acids, adrenal and sex hormones, and some vitamins; many drugs are synthetic steroids.
(bodybuilding) Any anabolic hormone used to promote muscle growth.
(sports, US) Any chemical compound used to enhance athletic performance.
