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5 Cards in this Set

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Resolution

-complete rstoration of normal structure and function of tissue


- mild injury with minimal tissue damage will


resolve eg. mild thermal burn

Abscess formation

- a pus filled cavity is an abscess - pimple


-suppurative exudate or pus = necrotic tissue neutrophils and pyogenic bacteria


-eg. acute lung abscesses due to staphylococcal infection

Repair ( healing)

-necrotic tissue is removed and replaced by :


regeneration = division of surviving


parenchymal cells eg. liver, bone, kidney may regenerate but not brain (organ doesn't


regeneration)


organizaton = fibroblasts recruit to necrotic, deposits collagen


-usual outcome, rapid replacement of


specialized cells by a collagen scar

Granulation tissue

-forms the scar and consists of fibroblasts producing collagen, new capillaries providing nutrients, and macrophages


-mature scar = collagen tissue


-healing is an energy dependent process (ATP) = need good oxygen supply

Chronic inflammation

-inflammation becomes long-standing


-injury persists leading to constant inflammation as well as constant attempts at healing


-immune system cells are recruited


-lymphocytes found in tissue and usually much scar eg. chronic peptic ulcer