noradrenaline
catecholamine
monoamine neurotransmitter
phenethylamine
pressor
vasoconstrictive
vasoconstrictor
epinephrine
5-ht
aldosterone
angiotensin-converting
cholinesterase
cortisol
dopamine
gastrin
glucagon
glutamate
melatonin
neurotransmitter
neurotransmitters
presynaptic
reuptake
trypsin