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HISTOLOGY - Coggle Diagram
HISTOLOGY
LYMPHOID TISSUE :
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Classification
Primary>>origin of lymphocytes in bone marrow>>precursor cells(B-CELLS>Differentiation>Plasma cells>antibodies.....T-cells>From BM>> Mature in Thymus gland
STEPS
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Termination>>downregulation when antigen is destroyed(immune response is stressful , hence termination)
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Immunological memory>>Specific substances of B & T lymphocytes that were part of response are not removed , hence the memory
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Lymphoid tissues
Head & neck , MALT/GALT, Bone marrow , Mucosal surfaces , Spleen ,Thymus(where T-cells mature)
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