Definition of "adrenergic" []

• Activated by or capable of releasing epinephrine or an epinephrinelike substance, especially in the sympathetic nervous system: adrenergic nerve fibers. (adjective)
• Having physiological effects similar to those of epinephrine: an adrenergic drug. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "More importantly, it appeared that the patients in the green cluster appeared to respond with slightly greater weight loss to adrenergic treatment with ephedra and caffeine (not exactly my choice of antiobesity drugs) in an 8 week intervention."
• "In general, the pharmacological effects of cocaine, the "cocaine reaction," can be divided into 3 phases with the degree of effects seen dependent on the amount on the amount of cocaine used. 11 "Early stimulation" deals with initial adrenergic stimulation form the increase of norepinephrine and is the "fight or flight" reaction."
• "It is advisable to use a direct-acting alpha-adrenergic agonist, such as norepinephrine, because their actions are not dependent upon the release of intracellular amines, the metabolism and availability of which are altered by MAO-I's."