Credit: iStock/ibreakstock The adrenergic system is a crucial component of the sympathetic nervous system and has widespread effects throughout the body. “Adrenergic” comes from “Andren,” relating to “adrenaline” (a stress hormone also referred to as epinephrine in the U.S.), and “ergic” derived from the Latin “ergy,” meaning “at work.” Put together, the word “adrenergic” is … Continue reading History of Adrenergic Receptors