adrenaline or adrenalin, epinephrine neurotransmitter molecule. skeletal formula.

adrenal adrenalin adrenaline adrenoreceptor anaphylactic anaphylaxis asthma atomic autoinjector carbon catecholamine central chemical chemistry composition compound croup drawing drug epinephrin epinephrine flat formula gland high hormone hydrogen icon illustration junkie line medical medicine molecular molecule nervous neurotransmitter nitrogen oxygen pheochromocytoma receptor science shock stress structural structure system