Can atherosclerosis occur in capillaries?

No. Atherosclerosis is a disease primarily of the inner two layers of the arterial wall called the intima and the media. Capillaries have a much simpler structure. It's probably also true that the endothelial damage which results in the early lesions is related to the mechanical stresses of the pulse i.e. read more

Atherosclerosis is a disease in which plaque builds up inside your arteries. Arteries are blood vessels that carry oxygen-rich blood to your heart and other parts of your body. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. read more

Atherosclerosis occurs when fat, cholesterol, and calcium harden in your arteries. Atherosclerosis can occur in an artery located anywhere in your body, including your heart, legs, and kidneys. Atherosclerosis can cause the following diseases: Coronary artery disease. Coronary artery disease occurs when the coronary arteries of your heart become hard. read more