Intervertebral discs are composed of

Options

A. hyaline cartilage
B. elastic cartilage
C. fibrous cartilage
D. none of these

Answer

**Step-by-Step Solution:**

1. **Understanding the Structure**: Intervertebral discs are located between the bodies of adjacent vertebrae in the vertebral column, which consists of 33 vertebrae.

2. **Identifying the Composition**: Each intervertebral disc has two main components:
- An outer fibrous ring.
- An inner soft, pulpy, and highly elastic substance.

3. **Determining the Type of Cartilage**: The outer fibrous ring is specifically made up of fibrous cartilage. This type of cartilage provides strength and support.

4. **Function of Intervertebral Discs**: These discs not only form strong joints between vertebrae but also allow for various movements of the vertebral column and absorb vertical shock.

5. **Conclusion**: Based on the composition and function discussed, it is clear that intervertebral discs are composed of fibrous cartilage, also known as fibrocartilage.

**Final Answer**: Intervertebral discs are composed of fibrous cartilage (fibrocartilage).

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