This chapter contains sections titled:

• Occurrence and Biological Activities of Long-chain N-acylethanolamines

• Biosynthetic Routes of Anandamide and Other N-acylethanolamines

• N-acyltransferase

• Phosphodiesterase

• Degradation of Anandamide and Other Long-chain N-acylethanolamines

• Catalytic Properties of Fatty Acid Amide Hydrolase

• Molecular Properties of FAAH

• An Acid Amidase That Hydrolyses Anandamide and Other N-acylethanolamines

• Oxygenation of Anandamide

• Perspectives

• References