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

Mayank Ranka , 5 Years ago
Grade 12th pass
anser 4 Answers
Vikas TU
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'.
Last Activity: 5 Years ago
Vikas Amritiya
 
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'.
Last Activity: 5 Years ago
Akash sharam
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 
Last Activity: 4 Years ago
Akash sharam
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'.
 
 
Last Activity: 4 Years ago
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