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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

 

Grade:12th pass

4 Answers

Vikas TU
14149 Points
3 years ago
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'.
Vikas Amritiya
askIITians Faculty 230 Points
3 years ago
 
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'.
Akash sharam
51 Points
2 years ago
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 
Akash sharam
51 Points
2 years ago
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'.
 
 

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