The outer covering of cartilage is called

Options

A. Peritoneum
B. Periosteum
C. Endosteum
D. Perichondrium.

Answer

**Step-by-Step Solution:**

1. **Understanding Cartilage**:
- Cartilage is a type of connective tissue that is strong and flexible. It provides support and structure to various parts of the body.

2. **Identifying Cartilage Cells**:
- The main cells found in cartilage are called chondroblasts and chondrocytes. Chondroblasts are responsible for the formation of cartilage, while chondrocytes maintain the cartilage matrix.

3. **Extracellular Matrix**:
- In addition to cells, cartilage consists of an extracellular matrix that provides the tissue with strength and flexibility.

4. **Outer Covering of Cartilage**:
- The outer surface of most cartilage types is covered by a layer of dense irregular connective tissue. This layer is known as the perichondrium.

5. **Components of Perichondrium**:
- The perichondrium has two layers:
- The outer layer contains fibroblasts that produce collagen.
- The inner layer contains chondroblasts.

6. **Conclusion**:
- Based on the information, the outer covering of cartilage is called the **perichondrium**.

**Final Answer**: The outer covering of cartilage is called the **perichondrium**.

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