Which of the following is a primary lymphoid | vedclass

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(C) Lymphoid organs are classified into two types: primary and secondary lymphoid organs.Primary lymphoid organs are the sites where lymphocytes origi

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Thymus

Vedclass · Answer

(C) Lymphoid organs are classified into two types: primary and secondary lymphoid organs.Primary lymphoid organs are the sites where lymphocytes originate and/or mature and differentiate into antigen-specific lymphocytes.The two main primary lymphoid organs are the $Bone \ marrow$ and the $Thymus$.In the $Bone \ marrow$, all blood cells including lymphocytes are produced.In the $Thymus$, $T$-lymphocytes mature.Secondary lymphoid organs, such as the spleen, lymph nodes, tonsils, and Peyer's patches, provide the sites for interaction of lymphocytes with the antigen.Therefore, among the given options, the $Thymus$ is a primary lymphoid organ.

Which of the following is a primary lymphoid organ?

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