noun🔗ShareCatécholamineAny of a class of aromatic amines derived from pyrocatechol that are hormones produced by the adrenal gland."During a stressful exam, the student's adrenal gland released catecholamine, causing her heart to race and her palms to sweat. "Pendant un examen stressant, la glande surrénale de l'étudiante a libéré de la catécholamine, ce qui a provoqué une accélération de son cœur et la transpiration de ses paumes.medicinephysiologybiochemistrybodysubstancechemistrybiologyscienceanatomyorganChat with AIVocabulary GamePractice Reading