影像解剖-thoracic wall 课件.ppt

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1、ThoraxP.32DepartmentofthehumananatomyattachedtotheSichuanUniversityChenDaobangThoracicwallskeletonofthoracicwall：1bones1)sternummanubrium胸骨柄*jugularnotch*clavicularnotch*1stcostalnotchbody*from2ndto7thcostalnotches*sternalangleitisformedbyunionofthemanubriumandb

2、ody;anditisaclinicallandmarkforlocatingpositonofthe2ndpairofcostalcartilagesxiphoid剑突2nd3rd4th7thThoracicwallP32skeletonofthoracicwall：1bones2）ribs1stto7thribsaretrueribs真肋8thto12thribsarefalseribs假肋11thand12thribsarefreeribs浮肋costalcartilagesconnectwithanterior

3、endofribsThefeatureofribHeadofriborcostalheadNeckofribTubercleAngleofribCostalgroove3)thoracicvertebrae(toseevertebralcolumn)Costalfacet肋凹Thejointsofthesternum,ribsandvertebraeCostovertebraljointsCostotransversejointsSternocostaljointsInterchondraljoints…软骨间连结肋椎

4、关节肋横突关节胸肋连结Costalfacet2thoraciccage胸廓itisformedbythesternum,thoracicvertebrae,ribs,costalcartilagesandtheirjoints.skeletonofthoracicwallThoracicwallP323Importantstructures1).Superiorthoracicaperture胸廓上口*1stthoracicvertebra*1stpairofribsandcartilages*superiorbord

5、erofmanubrium2).inferiorthoracicaperture*12ththoracicvertebra*12thpairofribs*Ant.partof11thpairofribs*leftandrightcostalarchesItisclosedbythediaphragm,inlife.skeletonofthoracicwallThoracicwallP323importantstructures3)Sternalangle4)costalarches(margin)8th，9thand1

6、0thcartilagesconnectuppercostalcartilage,respectively,toformthecartilagemargin5)Infrasternalangletheleftandrightcostalarchesintersectonthexiphoidtoformaangle.6)Intercostalspacebetweenthe2ribs肋弓胸骨下角肋间隙mainmuscles1intrinsicm.胸固有肌Externalintercostalm.intheintercost

7、alspace,superficialtotheinternalintercostalm.,originfromlowerborderoftheupperribsendtotheupperborderofthelowerribs.Themuscularfibersdirectanteroinferiorly.Atthecostalcartilages,where,themusclesbecometheexternalintercostalmembranes.Internalintercostalm.Locateonth

8、edeeptotheexternalintercostalm..Atthecostalangle,theybecometheinternalintercostalmembanes.mucularfibersdirectmediosuperiorly.Intermostintercostalm.肋间最内肌mainmuscles2.E