精品openpptdocument.ppt

该【精品openpptdocument 】是由【落意心冢】上传分享，文档一共【56】页，该文档可以免费在线阅读，需要了解更多关于【精品openpptdocument 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。精品openpptdocumentThemusclesofthoraxExtrinsicmusclesPectoralismajorPectoralisminorSerratusanteriorIntrinsicmusclesIntercostalesexterni肋间外肌Intercostalesinterni肋间内肌Intercostalesintimi肋间最内肌Transversesthoracis胸横肌IntercostalesexterniOrigin:lowerborderofriⅡ)Insertion:upperborderofribbeloworiginAction::upperborderofribInsertion:lowerborderofribaboveoriginAction::dome-shapedbetweenthoraxandabdomen,consistsofaperipheralmuscularpartandacentraltendonOriginSternalpart:xiphoidprocessCostalpart:lowersixandcostalcartilagesLumbarpart:arisesbytwocrurafromupper2-3lumbarvertebraeInsertion:centraltendonWeakareas:triangularspaceswithoutmusculartissueLumbocostaltriangle::-,thoracicductEsophagealhiatus食管裂孔--forinferiorvenacava,throughcentraltendonatT8levelT8T10T12Action:Contraction:thedomemovingdownward,avitywhichresultsininspiration,atthesametimetheintra-abdominalpressureisincreasedassistsindefecation,:thedomereturnstotheformerposition,avity,,back,andtotheleftBifurcatesinferiortoaorticarchintorightandleftpulmonaryarteries,oneforeachlungPulmonaryarteriesRightpulmonaryartery-passesposteriortoascendingaortaandsuperiorvenacavatohilumofrightlungLeftpulmonaryartery-passesanteriortodescendingaortaandleftmainbronchustohilumofleftlungArterialligament动脉韧带-remnantofductusarteriosus,connectsbifurcationofpulmonarytrunktoinferiorborderofaorticarchTrianguleofductusarteriosus动脉导管三角.,-arterialligament,,forwardandtotheright,ExtendstolevelofsecondrightsternocostaljointBranches:rightandleftcoronaryarteriesAzygosvein奇静脉BeginsascontinuationofrightascendinglumbarveinAscendingalongtherightsideofvertebralcolumnJoinssuperiorvenacavabyachingaboverightlungrootatlevelofT4toT5Receivesrightposteriorintercostalsandsubcostalveinsplussomeofbronchial,esophagealandpericardialveins,andhemiazygosveinTributaries-,whichreceivemostleftposteriorintercostalsveinandleftbronchialveins