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Grade: 12th pass

                        

Which of the following is not a lymphoid tissue A Spleen B Tonsils C Appendix D Thymus

Which of the following is not a lymphoid tissue

A

Spleen

B

Tonsils

C

Appendix

D

Thymus

 

5 months ago

Answers : (2)

Vikas TU
14143 Points
							
Dear student 
Lymphoid organs are of two types. They are primary lymphoid organs and secondary lymphoid organs.
Primary lymphoid organs are the lymphoid organs in which lymphocytes are produced and undergo development and are then supplied to secondary lymphoid organs. For example, Bone marrow and thymus gland.
Secondary lymphoid organs are the lymphoid organs in which lymphocytes are activated to participate in the specific immune response. For example, Appendix, Tonsils, spleen, Peyer's patches of the small intestine, etc.
Hence Thymus gland is not an example of the secondary lymphoid organ.
So, the correct answer is 'Thymus gland'.
5 months ago
Vikas Amritiya
askIITians Faculty
158 Points
							
 
Dear student 
Lymphoid organs are of two types. They are primary lymphoid organs and secondary lymphoid organs.
Primary lymphoid organs are the lymphoid organs in which lymphocytes are produced and undergo development and are then supplied to secondary lymphoid organs. For example, Bone marrow and thymus gland.
Secondary lymphoid organs are the lymphoid organs in which lymphocytes are activated to participate in the specific immune response. For example, Appendix, Tonsils, spleen, Peyer's patches of the small intestine, etc.
Hence Thymus gland is not an example of the secondary lymphoid organ.
So, the correct answer is 'Thymus gland'.
5 months ago
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