A deposit or degenerative accumulation of lipid-containing plaques on the innermost layer of the wall of an artery especially on one of the larger arteries.
The n=1 shell is the innermost layer, n=2 the next layer, and so forth.
Polyethylene in the innermost layer forms the seals that make the package liquid-tight and provides a protective coating on the exterior to keep the package dry.
That's because polyphenols improve skin's elasticity by strengthening collagen, the primary protein in skin's innermost layer.
A form of arteriosclerosis characterized by the deposition of atheromatous plaques containing cholesterol and lipids on the innermost layer of the walls of large and medium-sized arteries.