Name the sheath of cartilage and bone.

Explanation

**Step-by-Step Solution:**

1. **Identify the Structures**: The question asks for the sheath that covers cartilage and bone. We need to identify the specific terms for these sheaths.

2. **Sheath of Cartilage**: The sheath that covers cartilage is known as the **perichondrium**. This layer is important for the protection and nourishment of the cartilage.

3. **Sheath of Bone**: The sheath that covers bone is called the **periosteum**. This dense layer of connective tissue serves to protect the bone and provides a surface for muscle attachment.

...