Microbiology and Immunology 2500A/B Study Guide - Midterm Guide: Keratin, Phagocyte, Phagocytosis
5 Aug 2018
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Endemic expectedlevelof aninfectiousdisease that is continuously present in a populationwlinageographic. Epidemic anincrease inthe ofnew infectious diseasecasesabove theexpected in a population w in a geographic. Properties bornwtinnateimmunedefences commonamongplants3 invertebrates conservedthroughevolution nomemory ie sameresponse to identicalpathogen keratin. 4 gastrointestinaltract mucus cilia waterprooflayer g rythmicallysweeppathogenaway secretedbygobletcellsspecializedepithelialcells. Iii biological normalflora1microbiotaassociated w1 epithelialcellsthatline211pathogenentry points fattyacidsenzymes lowph antibacterialpeptides etc flushingout ex coughing sweating blinking etc. Bacteria havedna 3 organelles mostareextracellular somehaveboth canself reproduce ie ng viruses 100x smallerthanbacteria andcannotself reproduce i theycanonlyreplicate insidea living hostcell allviruseshaveboth extracellular 3 intracellularphases. Phagocytes 4lymphocytes i neutrophils circulatetheblood rapidlyenterinfectedtissue i l l rapidlydifferentiatefrommyeloidprogenitor cells in response to an infectiousdisease shortlived 6 7hoursthenapoptosis. 2fold iil macrophages locatedintissues mostlybelowepithelialcells arisefrombloodmonocytesthathaveentered intotissues havearoleinadaptiveimmunity. Iii immature dendriticcells milfjon ie 9fii1atitigssyaabp4ew mmm99nifypithe s. Phagocytosis multiplepathogenssimultaneously bindingtriggers baqerie. gijmin. e. i apoptosis i pi m pnagoso. me r a gg i. S i akinthepathogen i in i alsotriggersproinflammatorycytokines s chemokineproduction ai t noyet.
