noun🔗ShareAdrenalinA catecholamine hormone and neurotransmitter; as a hormone, secreted by the adrenal gland in response to stress (when it stimulates the autonomic nervous system); as a neurotransmitter, synthesized from norepinephrine."During a severe allergic reaction, doctors often use epinephrine to quickly raise blood pressure and open airways. "Bei einer schweren allergischen Reaktion verwenden Ärzte oft Adrenalin, um den Blutdruck schnell zu erhöhen und die Atemwege zu öffnen.medicinephysiologybiochemistrybodysubstancechemistryChat with AIVocabulary GamePractice Reading