Solid line represents particle mass for a representative sample lipoprotein profile. Sizes: (VS = very small; S = small; M = Medium; L = Large). Regions: HDL = High Density Lipoprotein; MZ = Midzone; LDL = Low Density Lipoprotein; IDL = Intermediate Density Lipoprotein; VLDL = Very Low Density Lipoprotein.</p