noun🔗ShareAny 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. "medicinephysiologybiochemistrybodysubstancechemistrybiologyscienceanatomyorganChat with AIVocabulary GamePractice Reading
