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Dictionary · Word part

ather/o

A word root that means fatty plaque, the soft fatty buildup that can form inside arteries.

ATH-er-oh root

What it means

From a Greek word for porridge, describing the soft fatty deposit in artery walls. In atherosclerosisath-er-oh-skluh-ROH-sisA buildup of fatty deposits (plaque) inside the walls of the arteries.ather/o fatty pastescler/o hard-osis conditionFull entry these plaques narrow and harden the arteries, an atheroma is a single plaque, and an atherectomy is a procedure to remove plaque.

At a glance

Also writtenathero-

Related terms

atherosclerosis

A buildup of fatty deposits (plaque) inside the walls of the arteries.

arteriosclerosis

Thickening and stiffening of the walls of the arteries, so they lose their ability to stretch.

scler/o

A word root that means hard, or the sclera, the white of the eye.

lipoprotein

A particle made of fat and protein that carries cholesterol and other fats through the blood.

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