Chapter 4. InflammationSection 1. Introduction
Chapter 4. Inflammation Section 1. Introduction
一.Definition:1. Inflammation: a defensive reaction inlivingtissue withvascularsystemtoinjurious stimuli2.Reaction of BVs is the central linklimiting and killing injured Feliminating and absorbing necrotic T3.The inflammatory responses is closelyinterviewed with the process of repair
一 . Definition: 1. Inflammation: a defensive reaction in living tissue with vascular system to injurious stimuli. 2. Reaction of BVs is the central link limiting and killing injured F eliminating and absorbing necrotic T 3. The inflammatory responses is closely interviewed with the process of repair
4.Significance(1). Beneficial : without inflammationInfections would go uncheckedinjured organs might remain permanentwound would never heal(2).Harmful :hypersensitive reactions to drugs, toxinsfibrinous pericarditis -→constrictive pericarditisfibrous repair → intestinal obstruction
4. Significance (1). Beneficial : without inflammation Infections would go unchecked injured organs might remain permanent wound would never heal (2). Harmful : hypersensitive reactions to drugs, toxins fibrinous pericarditis →constrictive pericarditis fibrous repair → intestinal obstruction
二.Causes and classification(一) C:auses1. Biologic factors:Bac,Virus ,fungi,parasites→the most common2. Chemicalfactors Exogenous :drugs, acidEndogenous :3.Physicalagents:trauma,burn4.Tissue necrosis5.Allergic reaction:GN, TB
二 . Causes and classification (一) Causes 1. Biologic factors:Bac,Virus ,fungi ,parasites →the most common 2. Chemical factors Exogenous : drugs, acid Endogenous : 3. Physical agents: trauma , burn 4. Tissue necrosis 5. Allergic reaction:GN , TB
(二)Clinical types1.Peracuteinflammation(1) sudden onset, lasting for hours or a few days(2)lesion:degeneration,necrosis,exudation2.Acute inflammation() relatively short duration, lasting for a few days(2) lesions: degeneration, necrosis, exudation:neutrophilsinfiltration
(二) Clinical types 1. Peracute inflammation (1) sudden onset, lasting for hours or a few days (2) lesion: degeneration, necrosis, exudation 2. Acute inflammation (1) relatively short duration, lasting for a few days (2) lesions: degeneration, necrosis, exudation: neutrophils infiltration