The thickening of walls of arteries is called

Options

A. arthritis
B. aneurysm
C. arterioscelerosis
D. both 2 and 3

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the thickening of the walls of arteries.

2. **Identifying Relevant Terms**: The terms related to arterial conditions include "arthritis," "aneurysm," and "arteriosclerosis."

3. **Defining the Terms**:
- **Arthritis**: This refers to inflammation of the joints, not related to arteries.
- **Aneurysm**: This is a localized enlargement of an artery caused by a weakening of the artery wall, which does not specifically refer to thickening.
- **Arteriosclerosis**: This is a condition characterized by the thickening and hardening of the arterial walls, often due to plaque buildup.

4. **Understanding Arteriosclerosis**: In arteriosclerosis, plaque made up of cholesterol, fatty substances, cellular waste products, and sometimes calcium accumulates in the arteries, leading to reduced blood flow.

5. **Conclusion**: The correct term for the thickening of the walls of arteries is "arteriosclerosis."

**Final Answer**: The thickening of walls of arteries is called **arteriosclerosis**.

---