Plaque

Definition

Plaque is a substance composed of fat, cholesterol, calcium, and other substances found in the blood. It can build up on the walls of arteries and lead to cardiovascular diseases such as atherosclerosis.

5 Must Know Facts For Your Next Test

1. Plaque buildup in arteries can restrict blood flow, increasing the risk of heart attack and stroke.
2. Dietary habits high in saturated fats and trans fats contribute significantly to plaque formation.
3. Plaque is not only composed of lipids but also includes white blood cells and connective tissue.
4. Lifestyle changes such as increased physical activity and dietary modifications can help reduce plaque buildup.
5. Chronic inflammation in the body can exacerbate plaque formation and stability, leading to potential rupture.

Review Questions

• What components make up arterial plaque?
• How does diet influence the development of plaque in arteries?
• Why is chronic inflammation a concern in relation to plaque buildup?

Related terms

Atherosclerosis:

A condition characterized by the hardening and narrowing of arteries due to plaque buildup.

Cholesterol:

A waxy substance found in your blood that is necessary for building cells but can contribute to plaque formation when levels are too high.

Inflammation:

The body's response to injury or infection, which can become chronic and contribute to various diseases including those involving plaques.