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Category:Lymph Nodes (view source)

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~~==Anatomy & Physiology==~~

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~~[[Lymph Nodes - Anatomy & Physiology|See here]]~~

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~~==Lymph node responses in disease (The Total Node Response)==~~

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~~===reactive nodes===~~

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*immunological response to antigens

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*hyperplasia

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*cell proliferation in cortex

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~~:- germinal centre activity~~

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~~:- multiplication of cells in thymus-dependent area (paracortex)~~

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*accumulation of newly-formed plasma cells in medullary cords

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*macroscopically

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~~:- bulging white cortex which may almost obliterate the medulla~~

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~~===lymphadenitis===~~

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[[:Category:Lymph Node Responses in Disease]]

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*true inflammation

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*swollen due to

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:~~- congestion~~

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:~~- oedema~~

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~~:- leukocyte (neutrophil) accumulation~~

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*pyogenic organisms

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~~:- abscessation can develop~~

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~~:- there will be pus and necrosis in the node itself~~

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*lymphangitis: inflammation of lymphatics

==Role of the Lymph Node in Inflammation==

Bara

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Category:Lymph Nodes (view source)

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