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  • A gland that plays a major role in the development of the immune system is   Option: 1 Thyroid glan

A gland that plays a major role in the development of the immune system is 

 

Option: 1

Thyroid gland

 


Option: 2

Hypothalamus

 


Option: 3

Thymus gland

 


Option: 4

Pineal gland

 


Answers (1)

best_answer

 

 

Thymus Gland -

  • The thymus gland is a lobular structure located between lungs behind sternum on the ventral side of the aorta.
  • It is derived from the endoderm.
  • 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 the production of antibodies to provide humoral immunity. 
  • The thymus is degenerated in old individuals resulting in a decreased production of thymosins. 
  • As a result, the immune responses of older persons become weak.
     

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The thymus plays a major role in the development of the immune system. Hence, the correct option is c. thymus gland

Posted by

Devendra Khairwa

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