Atherosclerosis

Atherosclerosis (atheroma) is the most important type of arteriosclerotic vascular disease. It is characterized by the involvement of the affected arterial disease from the intima. Generally, lipids and complex sugars accumulate, bleeding and thrombosis, fibrous tissue hyperplasia and calcification, and gradual metamorphosis and calcification of the middle layer of arteries. Lesions often involve elastic and large and medium muscular arteries. Once they develop enough to block Arterial lumen, the tissue or organ supplied by the artery will be ischemic or necrotic. Because the lipid that accumulates in the intima of the arteries has a yellow atheromatous appearance, it is called atherosclerosis. Atherosclerosis is a lesion that deposits a layer of millet-like atheromatous lipids on the arterial wall, reducing the elasticity of the arteries and narrowing the lumen. Hypertension is an important factor in promoting the occurrence and development of atherosclerosis, and the narrowing of arteries due to atherosclerosis can cause secondary hypertension. Therefore, the two affect each other and promote each other. Hypertension promotes atherosclerosis, which mostly occurs in the large and middle arteries, including the coronary arteries of the heart and cerebral arteries of the head. High blood pressure causes the blood to hit the intima of the blood vessels, resulting in thicker walls and thinner lumen. When the intima of the tube wall is damaged, it is easy for cholesterol and lipid deposition, which aggravates the formation of atheromatous plaque. Therefore, hypertension is a risk factor for atherosclerosis. A type of arteriosclerosis, yellow matter containing cholesterol and fat-like substances appears on the intima of large and middle arteries, which is mostly caused by disorders of fat metabolism and neurovascular dysfunction. Often lead to thrombosis, blood supply disorders and so on. Also called atherosclerosis.

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