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adj. Activated by or capable of releasing epinephrine or an epinephrinelike substance, especially in the sympathetic nervous system: adrenergic nerve fibers.

adj. Having physiological effects similar to those of epinephrine: an adrenergic drug.

adj. Having the quality of adrenaline or epinephrine.

adj. Containing or releasing adrenaline.

adj. producing or activated by epinephrine or adrenaline.

adj. relating to epinephrine (its release or action)

n. drug that has the effects of epinephrine

"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."

pressor    vasoconstrictive    vasoconstrictor   

phenylephrine    phenylpropanolamine   

noradrenergic    muscarinic    5-ht2    postsynaptic    dopaminergic