Types of Inflammation

Acute
- Healing occurs in 2 to 3 weeks, usually leaving no residual damage
- Neutrophils are predominant cell type at site of inflammation
Subacute
- Has same features as acute inflammation but persists longer
Chronic
- May last for years
- Injurious agent persists or repeats injury to site
- Predominant cell types involved are lymphocytes and macrophages
- May result from changes in immune system (e.g., autoimmune disease)

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