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| − | ==Types==
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| − | ===[[Granulomatous Inflammation]]=== | + | |pagetitle =Chronic Inflammation |
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| − | ===Granulation Tissue=== | + | |contenttitle = Content |
| − | [[Image:granultion tissue histology.jpg|thumb|right|150px|Granulation tissue (Courtesty of BioMed Archive)]]
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| − | * Is completlely different to granulomatous inflammation, despite the similarity in name!
| + | <categorytree mode=pages>Chronic Inflammation</categorytree> |
| − | * Occurs on the surface of the skin where large areas of the epithelium have been lost.
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| − | * Makes up the lining of sinus tracts discharging from deeper lesions.
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| − | * Takes its name from the gross appearance of the small vessels which appear at the surface.
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| − | ** Look like red granules.
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| − | ** These vessels supply inflammatory cells, mainly [[Neutrophils|neutrophils]], to the infected surface.
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| − | * The most frequent example in domestic animals is the formation of excessive granulation tissue on the legs of horses with poorly healing wounds.
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| − | ** "Proud flesh"
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| − | * Ulcers and open wounds may heal by granulation.
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| − | [[Category:Chronic Inflammation]][[Category:To Do - Blood]]
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| − | ===Lymphocytic Inflammation===
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| − | * Lymphocytic inflammation is a diffuse chronic ongoing inflammation.
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| − | * Seen in:
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| − | *# Diseases of the central nervous system.
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| − | *#* Lymphocytes appear microscopically as several layers of cells around blood vessels in the perivascular space.
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| − | *#* They indicate that there is damage to the nervous tissue further in.
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| − | *#** Should alert to the possibility of viral infection, which is a common cause of central nervous system disease.
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| − | *#*** E.g. louping ill.
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| − | *# The gut.
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| − | *#* An excessive number of lymphocytes diffusely infiltrating the lamina propria, often in conjunction with plasma cells, indicate an ongoing non-specific chronic enteritis.
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| − | *# The respiratory tract.
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| − | *#* Peribronchial and peribronchiolar cuffing may occur to the point of actual lymphoid follicle formation in these areas.
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| − | *#** Follicles are sometimes large enough to cause partial occlusion of the airways.
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| − | *#* A feature of some chronic lung diseases.
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| − | *#** Ee.g. [[:Category:Mycoplasmas|Mycoplasmosis]] in swine and calves.
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| − | [[Category:Chronic Inflammation]][[Category:To Do - Blood]]
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| | [[Category:Inflammation]] | | [[Category:Inflammation]] |