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1、VeinsConveybloodbacktotheatriumsfromthecapillariesLargercavity,thinnerwall,lowerpressure,slowerflowConsistoftwosetsofvessels,thepulmonary肺部veinsandsystemic全身veinsSystemicveinsSuperficial表皮veinsanddeep深层veinsSuperficialveinsLiesinthesubcutaneous皮下fascia,notpairedwitharteryCoo
2、ling降温ofthebodyUsedfortransfuse输血,catheterizeandphlebotomizeDeepveinsAccompanythearterieswiththesamenameandsamesupplyingareaUsuallytwoorthreeinnumberCarrythevastmajorityofthebloodVenousvalve静脉瓣Paired,semilunar半月形,opentowardstheheartNumerous多inthelimbs四肢,especiallyinthelowerl
3、imbsAfeworabsentinhead,neck,thorax,abdomen肚子andpelvis骨盆Varicosity静脉曲张TheSystemicVeinsDividedintothreegroupsSuperiorvenacavaanditstirbutaries支流.Inferiorvenacavaanditstributariesincludinghepatic肝门静脉portalveinanditstributaries.Veinsoftheheart.SuperiorvenacavaDrains排走thebloodfro
4、mthehead,neck,upperlimb,thoraxandpartoftheabdominalwallFormedbyrightandleftbrachiocephalic头臂veinsReceivestheazygos单奇veinSuperiorvenacavaBrachiocephalicveinAzygosveinBrachiocephalicveinFormedbyinternal固有jugularveinandsubclavianveinbehindthesternoclavicularjoint胸锁骨关节Theangleof
5、theunion联合istermedthevenousangle静脉角InternaljugularveinSubclavianveinVenousangleInternaljugularveinBeginsatthejugularforamen颈静脉孔Intra-cranialtributaries内颅侧支流Collectsbloodfromthemeninges,skull,brainExtra-cranialtributariesCollectsbloodfromsuperficialpartsoffaceandmuchoftheneck
6、KeepsopenSigmoidsinusInternaljugularveinBrachiocephalicveinJugularforamenFacial脸veinBeginsatthemedialangleoftheeyeReceivestheanteriordivisionoftheretromandibular下颌后静脉veinDrainsintotheinternaljugularveinCollectsthebloodfromtheanteriorpartoffaceAngular具梭veindeepfacialveinptery
7、goidvenousplexusFacia脸lveininternaljugularveincavernoussinussuperiorandinferiorophthalmic眼veinFacialveinhasnovalvesabovethecornersofthemouthFacialInfectionmayleadtointracranialinflammations颅内发炎throughconnectionswithcavernoussinus“dangerousarea”,don’tsqeezetheacneRetromandibu
8、larveinsuperficialtemporalveinmaxillaryveinretromandibularveinposteriorauri
