"alpha blocker." YourDictionary, n.d. Web. 19 October 2018. <http://www.yourdictionary.com/alpha-blocker>.
alpha blocker. (n.d.). Retrieved October 19th, 2018, from http://www.yourdictionary.com/alpha-blocker
A drug that blocks or counteracts the effects of epinephrine and other molecules that stimulate alpha-receptors, leading to various physiological reactions such as vasodilation and a decrease in blood pressure. Also called alpha-adrenergic antagonist . Also called alpha-adrenergic blocker .