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Lymphatic - Immune (4 Types of Antibody Reactions (Neutralization:…
Lymphatic - Immune
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Lymphoid Organs
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Thymus: Bi-lobed lymphoid organ located in the mediastinum which is also the maturation site for T-cells
Secondary Lymphoid Organs: Provide locations for mature lymphocytes to monitor blood fluids and encounter foreign antigens
Lymph Nodes: Principal lymphoid organs of the body spread all over the lymphatic vessel that allow for lymphocytes to interact with lymph so they can identify foreign antigens and provide an immune response
White pulp of the spleen: Lymphocyte rich tissue that allows lymphocytes to interact with blood to mount an immune response against pathogens found in the blood
Tonsils: Surround the entrance of the pharynx gathering foreign pathogens from food, drinks and inhaled air
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Appendix: Pocket-like structure branching from the large intestine that houses a high concentration of lymphoid follicles. This helps control large bacterial populations in the large intestine while storing memory T&B cells
T Lymphocytes
Helper T Cells: These cells direct the adaptive immune response by activating B cells. T cells and other macrophages
Regulatory T Cells: These cells slow the immune response one a foreign antigen has been eradicated and also prevent an auto immune disorder
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Innate Defenses: due to our anatomy, structure and chemical composition there are features in our body that ward off pathogens before they have the chance to infect the human cells
Surface Barriers: Skin and mucosae are the first line of defense essentially impenetrable with their structure and chemical production
Internal innate defenses: Composed of non-specific cells and chemical devices the body uses to identify potentially harmful substances
Phagocytes: Neutrophils and macrophages are most important cells in this category capable of engulfing particles via phagocytosis
Natural Killer Cells: A unique group of cells capable of destroying any self-identifiable infected with a virus or cancer cell