any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
例句
用作名词 (n.)
In vivo voltammetry using carbon fiber electrodes was employed to determine the catecholamine secreted from the adrenal medulla. 应用碳纤微电极直接测定大鼠肾上腺髓质中儿茶酚胺浓度的在体伏安法。