ADME	absorption, distribution, metabolism and excretion
AEA	anandamide, arachidonoylethanolamide
COX-2	cyclooxygenase-2
FAAH	fatty acid amide hydrolase
MC	mast cell
NAAA	N-acylethanolamine acid amidase
NAE	N-acylethanolamine
NAPE	N-acylphosphatidylethanolamines
NAPE–PLD	NAP hydrolysing phospholipase D
NAT	N-acyltransferase
NNT	Number Needed to Treat
OEA	oleoylethanolamide
PA	palmitic acid
PEA	palmitoylethanolamide, N-hexadecanoylethanolamide
PG	prostaglandin
PPAR-α	peroxisome proliferator-activated receptor-α
PtdEtn	phosphatidylethanolamine
TNF-α	tumour necrosis factor-α
TRPV1	transient receptor potential vanilloid 1
WOMAC	Western Ontario and McMaster Universities Osteoarthritis Index