9.人体解剖学-面部和头皮face-and-scalp

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1、FaceDept.ofAnatomyZhouHongYingMusclesofexpressionVesselsNervesMusclesoffacialexpression1.TheySurroundthefacialorifices2.Allofthefacialexpressionmusclesareinnervatedbyfacialnerve3.OrigionandinsertionOrbicularisoculimuscleOrbicularisoculimusclefrontalisMusclesofthemouth

2、orbicularisorism.buccinatorm.Depressoranguliorism.Zygomaticmajor/minorm.Levatorlabiisuperiorism.MusclesofthemouthArteriesofthefaceBranchesofECA&ICAArisesfromtheexternalcarotidartery,runsupwardsandforwards,turnsroundtheinferiorborderofmandible.Itappearsatjustanteriorto

3、themassetermuscle.咬肌Thefacialarterysendsbranchestotheupperandlowerlips,thesideofthenose,andterminatesastheangulararteryatthemedialcanthus.眦FacialarterySuperficialtemporalarteryisoneofterminalbranchesofexternalcarotidarterywithintheparotidgland(theotherbranchismaxillar

4、yartery),thesuperificialtemporalarteryemergesonthefacebetweenthetemporomandibularjointandtheearandendsinthescalpbydividingintofrontalandparietalbranches.itaccompanieswithauriculotemporalnerve.Faciala.&superficialtemporala.TransversefacialarteryItarisesfromthesuperfici

5、altemporalarterywithintheparotidglandandcrossesthefacesuperficiallytothemasseter.Itdividesintonumerousbranchesthatsupplytheparotidglandandduct,themasseter,andskinoftheface.SuperficialtemporalveinItdrainstheforeheadandscalpandreceivestributariesfromtheveinsofthetemplea

6、ndface.Neartheauricle,thesuperficialtemporalveinenterstheparotidgland.Theretromandibularveintheunionofthesuperificialtemporalveinandmaxillaryveins,anddescendswithinparotidglandFacialveinbeginsattheangularveinatthemedialangleoftheeye,behindthefacialartery.joinedbythean

7、teriorbranchoftheretromandibularvanddrainsintotheinternaljugularv.(directlyorindirectlytotheinternaljugularvein)Featureofveinsnovalvescommunicatingwithcavernoussinusbythe2routes:①FacialV→angularV→ophthalmicv→cavernousplexus②Deepfacialv→pteygoidplexus翼静脉丛→cavernoussinu

8、sdeepfacialveinwhichlinksfacialveintothepterygoidplexus,so,appearing“dangerareaoftheface”—fromrootofnosetoanglesofthemouthVe