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Patho - Disease

Cluster 2

Infection Colonization by micro-organisms which produce disease
Infectious disease Results when the infecting micro-organism interferes with the normal activity of the affected tissue
Indirect Contact (4 types) Foodborne Airborne Vectors Fomites
Localized colonies produce ________ Abscess
Tropism Colonies that are selective as to tissue
Types of invasiveness (4 types) Lymphatic spread Hematogenous dissemination Ability to penetrate membranes Ability to penetrate between cells
Mechanical Defenses Against Infection (5 kinds) Intact skin Mucous membranes Cilia Washing Peristalsis
Microorganism's defenses against host (4 types) Capsules Invasiveness Production of Fibrin "shields" Growth and Reproduction Intracellularly
Viruses: How They Cause Disease (3) 1. Bind to cell receptor 2. Internalization (entry of virus into the cell) 3. Use of viral genetic info to redirect cell activity
Bacteria: How They Cause Disease (5) 1. Intracellular growth 2. Bind to Specific Cell Receptors 3. May produce toxins, other products 4. May produce abcesses 5. Chronic infection produces granulomas
Created by: atjohannes



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