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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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Regarding thymus gland - choose the correct statement :


( A ) Thymosins play a major role in the differentiation of B-lymphocytes, which provide cell-mediated immunity.
( B ) The thymus gland is a lobular structure located on the ventral side of the heart and the aorta.
( C ) The thymus secretes the glycopeptide hormones called thymosins.
( D ) Thymosins also promote production of antibodies to provide humoral immunity.
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1 Answer

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(D) is the right answer.

The thymus gland is a lobular structure located on the dorsal side of the heart and the aorta. The thymus plays a major role in the development of the immune system. This gland secretes the peptide hormones called thymosins. Thymosins play a major role in the differentiation of T-lymphocytes, which provide cell-mediated immunity. In addition, thymosins also promote production of antibodies to provide humoral immunity. Thymus is degenerated in old individuals resulting in a decreased production of thymosins.
answered Apr 3, 2014 by pady_1
 
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