a chemical made by some nerve cells and in the adrenal gland. it can act as both a neurotransmitter (a chemical messenger used by nerve cells) and a hormone (a chemical that travels in the blood and controls the actions of other cells or organs). norepinephrine is released from the adrenal gland in response to stress and low blood pressure. also called noradrenaline.
出典:Wikipedia
出典:『Wikipedia』 (2011/07/01 09:29 UTC 版)
Norepinephrine (INN) (abbreviated norepi or NE) or noradrenaline (BAN) (abbreviated NA or NAd) is a catecholamine with multiple roles including as a hormone and a neurotransmitter. Areas of the body that produce or are affected by norepinephrine are described as noradrenergic.
the nervous system
a ganglion