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Lecture 2 (Immune system (specific immunity (involves recognition of…
Lecture 2
Immune system
non-specific immunity refers to defense against infectious agents independent of the specific markers on their surfaces
includes physical barriers, the complement system, and phagocytes which engulf and destroy foreign cells without regard to their exact identify
specific immunity
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recognition of these antigens triggers activation of T cells and B cells which triggers specific antibody response
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Lymphatic System
includes lymphatic vessels (veins, capillaries, and ducts), lymph nodes
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Hemostasis
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Vascular phase
vascular spasm or contraction of the stomach muscle lining the blood vessel occurs when a vein or artery is ruptured
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Fibrinolysis
plasmin is formed from plasminogen released from platelets to break down the fibrin clot after the wound is closed and the tissue repair commences
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RBC disorders
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Polycythemia
increase in total number of blood cells, treated with therapeutic phlebotomy
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