Which organ is the primary site of T-lymphocyte maturation in young mammals?
Correct answer: D. Thymus
- A. Bone marrow
- B. Spleen
- C. Lymph node
- D. Thymus
Explanation
Immature T lymphocytes migrate to the thymus, where they undergo selection and mature into functional T cells. Bone marrow produces lymphocyte precursors, whereas the spleen and lymph nodes are mainly secondary lymphoid organs.
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Covers the structure, classification, growth and transmission of bacteria, viruses, fungi and other disease causing microorganisms in animals. It explains innate and acquired immunity, antibodies, antigens, vaccination, hypersensitivity and diagnostic methods, while distinguishing infectious agents from the immune responses they produce.
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