T-lymphocytes mature in

Options

A. Pancrease
B. Spleen
C. bone marrow
D. Thymus.

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks where T-lymphocytes mature.

2. **Understand T-lymphocyte Development**: T-lymphocytes, also known as T-cells, are a type of white blood cell that plays a central role in the adaptive immune response.

3. **Source of T-lymphocytes**: T-lymphocytes are produced from precursor cells in the bone marrow. However, their maturation occurs in a specific organ.

4. **Identify the Maturation Site**: The maturation of T-lymphocytes takes place in the thymus gland. The thymus is a specialized primary lymphoid organ that is crucial for the development of T-cells.

5. **Consider the Options**: The options provided were pancreas, spleen, bone marrow, and thymus. Among these, the thymus is the only organ where T-lymphocytes mature.

6. **Conclusion**: Therefore, the correct answer to the question is that T-lymphocytes mature in the thymus.

**Final Answer**: T-lymphocytes mature in the thymus.

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