Term
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Definition
-present at birth
-acts against all microbes in the same way
-No specific recognition |
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Term
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Definition
| (Immunity) is the ability to ward off diseases caused by microbes and their products |
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Term
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Definition
| lack of resistance or immunity |
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Term
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Definition
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Term
Physical Defenses
(1st line) |
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Definition
1.Intact skin
2.Lacrimal apparatus
3. Mucous Membranes and Cilia
4. Saliva
5. Urine
6. Defecation and Vomiting |
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Term
Chemical Factors
(1st line) |
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Definition
Sebum-protective acidic film over skin
Lysozyme-antimicrobial in tears, perspiration, saliva, and tissue fluid
Gastric Juice- destroy bacteria and most toxins in stomach |
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Term
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Definition
| -antagonize and compete with microbes |
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Term
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Definition
1.Phagocytosis
2.Inflammation
3.Fever
4.Antimicrobial Substances |
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Term
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Definition
| certain white blood cells are stimulated by chemical signals to ingest microbes or particles |
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Term
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Definition
1. Neutrophils
2.Eosinophils
3.Monocytes
4.Histiocytes |
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Term
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Definition
-active during initial infection
-mobile (leave blood and enter infected tissue)
-60-70% of leukocytes |
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Term
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Definition
-some are phagocytic
-produce toxic proteins against parasites |
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Term
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Definition
| mature into macrophages that roam tissue |
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Term
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Definition
fixed in certain organs
-protect the lungs, liver, bronchial tubes, and spleen |
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Term
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Definition
redness, pain, heat and swelling
-confines and destroys microbes then repairs the tissue by....
1.Vasodialtion
2. Enhances phagocytosis
3. Tissue repair |
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Term
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Definition
(caused by histamine, kinins, and prostaglandins)
-damaged cells release chemical signals that increase the permeability of blood vessels |
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Term
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Definition
-repair of stromal (supporting and parenchymal (functioning tissues)
-forms scar |
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Term
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Definition
| speed up body reactions that aid repair |
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Term
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Definition
(cytokine) signals the hypothalamus to reset body temp
-stimulates T-cells
-Intensifies Interferon
(2nd line causes fever) |
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Term
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Definition
1.Interferon (IFNs)
2.Complement System |
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Term
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Definition
is an antiviral protein released lymphocytes (macrophages) to inhibit viral replication and protect nearby cells against viral infection
(Antimicrobial Substance) |
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Term
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Definition
-serum proteins activated in a cascade
-protective outcome
1.Opsoniztion
2. Inflammation
3. Cytolysis
(Antimicrobial Substances) |
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Term
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Definition
-attract phagocytes by serum proteins coating bacterial cells for detection
(Complement System) |
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Term
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Definition
Serum proteins attack and lyse microbial membrane
(complement System) |
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