Lymphatic
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| lymph capillaries converge to form _______ which converge to form ____ | lymphatics vessels; lymphatic trunk
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| lymphatic trunk converge to form _____ | 2 collecting ducts
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| right collecting duct is drained from | right arm, right thorax, neck and head
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| right collecting duct drains into | right subclavian vein
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| thoracic collecting is bigger because | it drains the rest of the body
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| thoracic collecting duct drains into | left subclavian vein
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| lymph nodules | collection of lymphocytes and macrophages; prevalent in gastro tract, resp repro, urinary tracts
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| peyer patch | cluster of nodules in the small intstine
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| primary lymphatic organs | red bone marrow and thymus cuz they form and mature T and B lymphocyte
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| secondary lymphatic organs | spleen, tonsils, lymph node
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| most abundat lymph organ | lymph node
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| lymph node function | filters the lymph and activates immune response
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| why is the lymph node considered bottle neck | several afferent enter and 1-3 effernt exits
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| first line of defense against infection | nonspecific skin (external barrier)
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| second line of defense | non spececific, leukocytes, macrophage, fever, antimicrob bacteria
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| third line of defense | immune system; leaves a memory of pathogen
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| interferon | anti mic protein that alert neighboring cells of infection to prevent them from being infected
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| specificity immunity | immunity targeting one pathogen
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| memory | reexposure to same pathogen cuz body to react quickly
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| cell mediated immunity | lymphocytes atack n destroy foreign cells/ infected cells
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| humoral (antibody mediated) immunity | antibodies
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| nat active immunity | poduction of self antibodies/ t cells
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| artific active immunity | production of self antibody as a result of vaccine
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| nat passive immun | temp immunity from acquiring antibodies from another person (fetus n mother)
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| artific passive immun | termp immunity acquired fom serum with antibodies from another person
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| t cells are formed in _______ and mature in into functional t cells in the _______ | red bone marrow, thymus
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| b cells remain in _________ to mature then sent to the other lymph organs | red bone marrow
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| cellular immunity activates ______ | t lymphocyes
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| role of helper t cells | coordinates humoral and cell mediated
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| viral protein antigens attach to ________ that causes Tc cells to respons | MHC I
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| foreign antigens that attach to ______ causes helper T cells to respond | MHC II
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| Tc cells role | attack and kill cells
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| Humoral immunity | antibodies release to bind to antigens uses B lymphocytes
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| CD4 | helper t cells attracted to MHCII
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| CD8 | cytotoxic t cell attracted to MHCI
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Created by:
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