OVERVIEW OF THE IMMUNE SYSTEM
PRIMARY AND SECONDARY LYMPHOID ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Site for maturation and differentiation of lymphocytes. (Select all that apply ____ )
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Tonsils
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Thymus
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Spleen
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Bone Marrow
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Lymph Vessels
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Explanation:
Detailed explanation-1: -The greater part of lymphocyte development in mammals occurs in the specialized environments of the central lymphoid organs-the bone marrow (and the liver in the fetus) for B cells and the thymus for T cells.
Detailed explanation-2: -There are two major types of lymphocyte: B lymphocytes, which mature in the bone marrow; and T lymphocytes, which mature in the thymus. The bone marrow and thymus are thus known as the central or primary lymphoid organs.
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