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The lymphoid organ that undergoes reduct...

The lymphoid organ that undergoes reduction in size with ageing is

A

Lymph nodes

B

Thymus

C

Spleen

D

Tonsils

Text Solution

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The correct Answer is:
To solve the question regarding which lymphoid organ undergoes reduction in size with aging, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Question**: We need to identify a lymphoid organ that decreases in size as a person ages. 2. **Identify the Lymphoid Organs**: The main lymphoid organs include: - Lymph Nodes - Thymus - Spleen - Tonsils 3. **Evaluate Each Option**: - **Lymph Nodes**: These are small, bean-shaped structures that filter lymph fluid. They do not significantly reduce in size with age. - **Thymus**: This organ is crucial for the development and maturation of T cells. It is known to shrink in size as a person ages, particularly after puberty. - **Spleen**: This organ functions in filtering blood and removing old red blood cells. Its size does not significantly decrease with age. - **Tonsils**: These are part of the immune system and help prevent infections. They do not show a significant reduction in size with age. 4. **Conclusion**: Based on the evaluation, the thymus is the lymphoid organ that undergoes a reduction in size with aging. ### Final Answer: The lymphoid organ that undergoes reduction in size with aging is the **Thymus**. ---
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