Читать книгу Understanding Anatomy and Physiology in Nursing - John Knight - Страница 131

Adrenaline is produced by the central portion of the adrenal glands (adrenal medulla) and is the body’s major fight-or-flight hormone. Adrenaline is released during periods of excitement or fear and functions primarily to prepare the body for immediate action. Adrenaline is a catecholamine hormone which, when released into the blood, has powerful physiological effects, many of which are mediated through activation of the sympathetic nervous system (Chapter 5). Here we focus on its influence on BP.