NCIt definition : Neuroendocrine cells, found in the medulla of the adrenal gland and other sympathetic
nervous system ganglia, that release catecholamines into circulation.;
Alternative definition : NCI-GLOSS: A type of cell that makes neurohormones (chemicals that are made by nerve
cells and used to send signals to other cells) and releases them into the blood. Chromaffin
cells make epinephrine (adrenaline) and norepinephrine (noradrenaline). They are found
in the adrenal glands or in groups of nerve cells called ganglia.;