Strength and support to bone marrow is provided by  

Options

A. collagen fibres
B. elastin fibres
C. reticular fibres
D. none of these

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which component provides strength and support to bone marrow.

2. **Identifying the Components**: The options given are collagen fibers, elastin fibers, reticular fibers, and none of these. We need to evaluate each option in the context of bone marrow.

3. **Understanding Connective Tissue**: Bone marrow is a type of connective tissue. Connective tissues are characterized by their extracellular matrix (ECM), which includes various fibers and ground substance.

4. **Types of Fibers**:
- **Collagen Fibers**: These fibers are known for providing strength and structural support to tissues.
- **Elastin Fibers**: These fibers provide elasticity and flexibility to tissues.
- **Reticular Fibers**: These fibers form a network that supports the cells within the tissue.

5. **Function in Bone Marrow**: In the case of bone marrow, the primary function of the fibers is to provide strength and support. Collagen fibers are specifically responsible for this strength, making them crucial for the structural integrity of the bone marrow.

6. **Conclusion**: Based on the functions of the different types of fibers, the correct answer to the question is **collagen fibers**.

**Final Answer**: Strength and support to bone marrow is provided by **collagen fibers**.

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