Summary of major pathways for metabolism of chylomicrons synthesized in the intestine and very low density lipoprotein (VLDL) synthesized in the liver. Apo B, apolipoprotein B; Apo E, apolipoprotein E; FFA, free fatty acids; IDL, intermediate-density lipoprotein; LDL, low-density lipoprotein; LPL, lipoprotein lipase.