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14 Cards in this Set
- Front
- Back
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Lymph Organs
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Organs of lymphatic system other than the lymphatic vessels
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Lymph Organs: Primary
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Red bone marrow and thymus gland
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Lymph Organs: Secondary
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Lymph nodes, spleen, tonsils, appendix, and preyers patches
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Red Bone Marrow
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Produces all types of blood cells. Ex. Red Blood cells
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Leukocytes
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Neutrophils, eosinophils and basophils
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Lymphocytes
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B cells (mature in bone marrow)
T cells (mature in thymus) Natural Killer Cells |
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Thymus
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involved in the maturation of T cells, only about 5% pass autoreactivity test. Located between the trachea and the sternum superior to the heart
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Spleen
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stores and filters blood; macrophages phagocytes pathogens and debris. Largest lymphatic organ
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Lymph nodes
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mass of lymphatic tissue located along the course of a lymphatic vessel. Macrophages phagocytes pathogens and debris
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Tonsils
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patches of lymphatic tissue; first to encounter pathogens
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Peyers Patches
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lymphatic tissue located within the appendix and encounters pathogens
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Immune System
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a functional system whose components attack foreign substances or prevent their entry into the body
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Innate Immunity
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a mechanism of defense that does not depend on prior exposure to the invader; non specific
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Adaptive (acquired) immunity
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is specific to the particular nonself material requires time for development occurs more quickly and vigorously on secondary response
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