静脉Vein1起于毛细血管Capillary,止于右心房2壁薄、腔大Haveathinnerwallandalargerdiameterthantheircorrespondingarteries3有瓣膜Havevenousvalveswhichpreventrefluxofblood静脉的特点CharacteristicofveinsIntroduction5有、深脉之分。浅静浅静脉superficialvein：又称皮下静脉,不脉伴行与动注入深静脉。深静脉deepvein：大多同名脉伴行与动,中等脉常...
TheVeins静脉TheVeins静脉GeneralfeatureThinwalls,largerlumens,venousvalves,venousplexus,venousreteTwosetsSuperficialveinDeepveinsSpecialstructures:Sinusesofduramater硬脑膜窦Diploicveins板障静脉TheVeins静脉VenousvalveSinusesofduramaterDiploicveinsTheVeins静脉CompositionThepulmonaryveins肺静脉R.&L.superior&inferio...
静脉输液与输血IntravenousinfusionandIntravenousinfusionandbloodtransfusionbloodtransfusionIntravenousinfusion第第一一节节静脉输液静脉输液定义静脉输液是利用大气压和液体静压原理将大量无菌液体、电解质、药物由静脉输入体内的方法。静脉输液静脉输液的原理是什么呢？排气管液压原理：大气压+液体静压>人体静脉压条件：•液体静压（要有一定高度...
