presentation-inflammation2分析课件

《presentation-inflammation2分析课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、InflammationBY:尤勇焰周晓亮顾浩what'stheinflammationRhinitisTonsillitisGastritisPneumoniaInflammationSoWhatisthedefinitionofinflammationWhenlivingtissuesareinjured,aseriesofchanges,whichmaylastforhours,daysorweeks,occursinandarroundtheareaofinjury.（当活组织受损，损伤区周围发生一系列的变化，这可能会持续数小时

2、，数天或数周。）asfarasI'mconcerned......Theinjuryisabnormal,buttheinflammationisanormalphysiologicalreaction.Theinflammatoryresponseisusuallybeneficial.ItplayagreatroleincombatingmostinfectionsTypesofinjurywhichcanevokeinfiammatiomTherearefivemaintypesofinjurythatIwanttointro

3、ducetoday1.physicalagentsexcessiveheatingorcoolingultra-violetionisingrandiationmechanicaltrauma............burncoldinjuryUltravioletallergy2.chemicalsubstancestoxinsfromvariousbacteriasuchas:dermatophytesdermatophytes3.HypersensitivityreactionsThereactionofantibodyorofs

4、ensitisedlymphocyteswithbacterialorotherantigens4.Microbialinfectionsbyreleaseofexo-orendo-toxinsbyhypersensitivitymechanismsbyintracellularmultiplicationMiteallergy5.NecrosisoftissueAlmostanycauseleadstoreleaseofsubstanceswhichinduceinflammationinadjacentlivingtissuesPr

5、ocessofacuteinflammationAcuteinflammationMicroscopicsigns:InflammatoryresponseMacroscopicsigns:Symptoms1)Redness:2)Hotness:3)Swelling:Painandtenderness:5)Lossoffunction:1.Localvascularchange2.inflammatoryexudateCardinalMacroscopicSignsofInflammationInflammatoryresponse:N

6、ormalInflammationFirst:Localvascularchanges:1.Initialtemporaryvasoconstrictionforfewseconds.2.Activevasodilatationofarteriolesandcapillaries(bychemicalmediators:Histamine)andpassivedilatationofvenules.Increaseincapillarypermeability(fluidexudatetotheextravasculartissue)t

7、husconcentrationofbloodcells,slowingofbloodflow.3.themarginationofleukocytes.Second:inflammatoryexudatesImmigrationofthevariousleukocytes,fluidandplasmaproteinsoutsidethebloodvesselsintothesurroundingtissuewithoutinjuryofthebloodvessels.Leukocytesseemtoleavethesmallestbl

8、oodvesselsandslidingthroughthewallbyamoeboidmovement.Thisisalsoduetotheincreasedcapillarypermeabilityca