1) Adrenalin 2) Adrenaline 3) Catecholamine 4) Endocrine 5) Epinephrine 6) Hormone 7) Internal secretion 8) Neurotransmitter 9) Vasoconstrictive 10) Vasoconstrictor 1) Adrenalin 2) Adrenaline 3) Epinephrine 
e - a neurotransmitter substance found at all adrenergic synapses (nor epinephrine or epinephrine). It is the most common neurotransmitter in the nervous system, in particular at ganglion cells of the sympathetic nervous system.