#catecholamine  any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
  supertype:  hormone__internalsecretion  an endocrine secretion that is transmitted by the blood to the tissue on which it has a specific effect
  subtype:  noradrenaline  a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
  subtype:  epinephrine__epinephrin__adrenaline__Adrenalin  a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

No statement uses or specializes catecholamine; click here to add one.