Learning Center Articles

Types of Inflammation

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)