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प्रश्न
Which of the following glands is large-sized at birth but reduces in size with ageing?
पर्याय
Pineal
Pituitary
Thymus
Thyroid
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उत्तर
Thymus
Explanation:
The thymus is a lobed organ that sits beneath the breastbone and closes to the heart. The thymus is relatively large at birth, but as people age, it gets smaller and smaller until it is very small by the time they reach adolescence.
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संबंधित प्रश्न
Name the primary lymphoid organs.
The following is well-known abbreviation, which have been used in this chapter. Expand to its full form:
MALT
Which endocrine gland is called ‘the Throne of immunity’?
MALT constitutes about ______ per cent of the lymphoid tissue in human body.
The letter Tin lymphocyte refers to:
Which of the following is not lymphoid tissue?
Lymphoid tissue is found in ______
Which of the following is not a lymphoid tissue?
Where are B-cells and T-cells formed? How do they differ from each other?
Explain the role of Primary and Secondary Lymphoid organs with the help of suitable examples.
Name the secondary lymphoid organs.
Statement I: Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Statement II: Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.
In the light of the above statements, choose the most appropriate answer from the options given below:
