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11 terms

Steps of Tissue Repair

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Inflammation, Organization, Regeneration
What are the three steps of tissue repair?
Inflammation
Macrophages, mast cells, and injured tissue cells release inflammatory chemicals
Inflammation
White blood cells, plasma fluid, and antibodies flow to the area
Inflammation
Clotting factors from plasma fluid form a clot and close and seal the wound (scab)
Organization
Blood clot is replaced by granulation tissue
Organization
Fibroblasts fill the would and secrete collagen
Organization
Macrophages digest original blood clot
Regeneration
Surface epithelium begins to regenerate and grows under the scab, eventually replacing it
Regeneration
Scar tissue from fibroblasts remain
Regeneration
Replacement of old tissue with the same kind of tissue
Fibrosis
Replacement of old tissue with scar tissue (fibrous connective tissue)