影像解剖-HEART课件.ppt

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1、Theheart(P.58)andpericardium(P.55)DepartmentofthehumananatomyattachedtotheSichuanuniversityChenDaobangHEARTItisahollow,muscularpumporganRightpartoftheheartreceivespoorlyoxygenatedbloodLeftpartoftheheartreceiveswell-oxygenatedbloodThehearthasfourchambers:leftandrightatriaandleftandrightven

2、tricles1.locationInthemiddlemediastinumBetweenthelungsTobeenclosedinthepericardiumTolieonthediaphragmLongitudinalaxisisdirectedforwards,downwardsandtotheleft2/3partsoftheheartliesintheleftofant.midline.2.ExternalfeatureApex:isatthefifthintercostalspacecloseingtothemidclavicularlineBaseoft

3、heheartSternocostalsurfaceDiaphragmaticsurfaceLeftborder,rightborder,inferiorborderAnterior,posteriorinterventriculargrooveCoronarygrooveApicalcardiacnotch(left)(Right)3.InternalstructuresrightatriumThreeenteringorifices:openingofSVC;openingofIVC;openingofcoronarysinusOneexitorifice:right

4、atrioventricularorificeRightauricleFossaovalis,aremnantoftheforamenovaleinthefetuspectinatemusclesCristaterminalisRightventricleAtrioventricularorificeTricuspidvalvesChordaetendineaePapillarymusclesTrabeculaecarneaeSeptomarginaltrabeculaSupraventricularcrestPulmonaryorificePulmonaryvalves

5、(ant.,right,andleft)ConusarteriosusLeftatriumLeftauriclepectinatemusclesFouropeningsofpulmonaryveins(twosuperiorandtwoinferior)InteratrialseptumLeftatrioventricularorificeLeftventricleLeftatrioventricularorificeBicuspid(mitral)valvesChordaetendineaePapillarymuscleTrabeculaecarneaeAorticor

6、ificeAorticvalves(right,post.,andleft)AorticsinusInterventricularseptumThethicknessisabout9-12mm,about2-3timesoftherightventricleLeftcoronaryarteryToarisefromleftaorticsinusBetweentheleftauricleandpulmonarytrunkMainbranches:*AnteriorInterventricularartery(toanastomosewithpost.interventric

7、ularartery)suppliesbothventriclesandinterventricularseptum*CircumflexbranchsuppliestheleftventricleandatriumsupplyofthearteryRightcoronaryarteryToarisefromrightaorticsinusToruninthecoronarygroovetothediaphragmaticsurfaceMainbranches:SinuatrialnodalarteryRightmargina