AADC	aromatic L-amino acid decarboxylase
AD	aldehyde dehydrogenase
ADH	alcohol dehydrogenase
COMT	catechol-O-methyltransferase
DA	dopamine
DBH	dopamine ß-hydroxylase
DOPAC	3,4-ihydroxyphenylacetic acid
DOPAL	3,4-dihydroxyphenylacetaldehyde
DOPEGAL	3,4-methoxyphenylacetaldehyde
HVA	homovanillic acid
HMA	4-hydroxy-3-methoxyphenylacetaldehyde
L-DOPA	L-3,4-dihydroxyphenylalanine
MAO	monoamine oxidase
MHPG	3-methoxy-4-hydroxyphenylglycol
3-OMD	3-O-methyl-DOPA
MN	metanephrine
3-MT	3-methoxytyramine
MOPEGAL	3-methoxy-4-hydroxyphenylglycolaldehyde
NA	norepinephrine
NMN	normetanephrine
PD	Parkinson’s disease
PNMT	phenolethanolamine-N-methyltransferase
SNc	substantia nigra pars compacta
TH	tyrosine hydroxylase
Tyr	tyrosine
VMA	vanillylmandelic acid