頜面部斷層解剖

BasicKnowledgeof

MaxillofacialRegion

Zygomaticarchsup.temporalfossainf.temporalfossamandiblepterionmaxill1.頜面部的境界及分區(qū)SphenoidbonePterygoidprocessmedialplateLateralplateGreaterwingLesserwingSup.OrbitalfissureEthmoidboneSup.viewAnt.viewethmoidalsinuscristagallihorizontalplateperpendicularplateolfactorysulcus2.眶區(qū)主要結(jié)構(gòu)包括眶和眼球及其附屬結(jié)構(gòu)sphenoidsinus3.鼻腔和鼻旁竇EthmoidboneVomeropenofauditorytube咽鼓管咽口torusofauditorytube咽鼓管圓枕pharyngealrecess咽隱窩4.面?zhèn)葏^(qū)包括:

腮腺咬肌區(qū)面?zhèn)壬顓^(qū)temporalismasseterbuccinatortemporalisLat.pterygoidMed.pterygoidbuccinatorPterygoidspacePterygoidomandibularspaceMassetericspaceInf.alveolarN.PterygoidspacePos.nasalapertureTubaltorusPharyngealrecessOralpharynxLaryngopharynxSoftpalate腭垂epiglottisLarynx喉TransversSectionofMaxillofacialRegion在橫斷層面上頜面部器官可分為上、中、下部：上部為眶腔所在的層面，主要特征是有眶腔及其內(nèi)的眼球，重點(diǎn)顯示眼球外肌和視神經(jīng)等；中部為上頜竇所在的層面，主要特征是有鼻腔和上頜竇形成的較大空腔，重點(diǎn)顯示上頜竇的形態(tài)和面?zhèn)壬顓^(qū)的顳下間隙內(nèi)的結(jié)構(gòu)；下部為口腔所在的層面，主要特征是有上頜牙槽突或下頜體及其牙槽突形成的弓形結(jié)構(gòu)，重點(diǎn)顯示面?zhèn)葏^(qū)結(jié)構(gòu)和唾液腺的位置、形態(tài)及其變化。ThethansverssectionthroughspleniumofcorpuscallosumThethansverssectionthroughcristagalliThethansverssectionthroughopticchiasmaThethansverssectionthroughsup.partofponsThethansverssectionthroughmid.partofponsThethansverssectionthroughinf.partofponsThethansverssectionthroughcoronoidprocessThethansverssectionthroughatlantooccipitaljointThethansverssectionthroughdensofaxisThethansverssectionthroughatlantooccipitaljointThethansverssectionthroughaxisThethansverssectionthroughuvulaThethansverssectionthroughangleofmandibleThethansverssectionthroughsubmandibularglandThethansverssectionthroughepiglottisThethansverssectionthroughhyoidbone前部1舌下間隙2頰間隙3顳間隙4翼腭間隙中部5咬肌間隙6翼下頜間隙7顳下間隙8咽旁間隙后部

9腮腺間隙Thesagittalscanof

maxillofacialregionByMR

中部1舌下間隙左、右側(cè)部2眶下間