名詞 norepinephrine:

1. a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
   同義詞：noradrenaline

nor.ep.i.neph.rine

n.（名詞）
A substance, C8H NO 3, both a hormone and neurotransmitter, secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system to cause vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood. Also called noradrenalin
去甲腎上腺素：一種物質(zhì)，C8H NO 3，是激素和交感神經(jīng)沖動介導(dǎo)者，有強(qiáng)大的血管收縮作用和神經(jīng)傳導(dǎo)作用，會引起血壓、心率和血糖含量的增高 也作 noradrenalin