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LYMPHATIC SYSTEM (Introduction (network of vessels that assist in…
LYMPHATIC SYSTEM
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Lymphatic Pathways
lymphatic capillary > afferent lymphatic vessel > lymph node > efferent lymphatic vessel > lymphatic trunk > collecting duct > subclavian vein
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Types of Immunoglobins
IgM-reacts with antigens, activates complement
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IgG-defends against bacterial cell, viruses, toxins
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Allergic Reaction
Type III
-immune-complex reaction
-takes 1-3 hrs to develop
-antibody complexes cannot cleared from body
-damage of body tissues
Type IV
-delayed-reaction allergy
-results from repeated exposure to allergen
-eruptions & inflammation of skin
-takes about 48 hrs to occur
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Type I
-immediate-reaction allergy
-occurs within minutes after contact with allergen
-hives, high fever, asthma, eczema & gastric disturbance
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Lymphocytes
B Cells
Origin: red bone marrow
Maturation: red bone marrow
Primary Location: Lymphatic tissues (20-30% in blood)
FUNCTION: differentiate into plasma membrane
Humoral Immune Response
T Cells
Origin: red bone marrow
Maturation: thymus
Primary Location: Lymphatic tissues (70-80% in blood)
FUNCTION: secretes lymphokines, toxins (kill cell), growth-inhibiting factors, interferon
Cellular Immune Response
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