Applied anatomy of canine liver and affiliated conduits
Applied anatomy of canine liver and affiliated conduits
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发表时间：
2006
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通讯作者：
Zhang Yong
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作者：
Zhang Yong
目的：系统收集犬肝脏及其附属管道的解剖学资料，为制作各种犬肝脏模型提供基础。犬用戊巴比妥钠麻醉腹腔注射30 mL/L，1 mL/kg，上腹部正中切口开腹，充分暴露肝脏，测量自然或正常位置各肝叶直径、肝附属管道长度和外径，结果：观察到犬肝脏及其附属管道68个，其中62个在自然或正常位置测量，观察到犬肝脏43个，其中33个在离体位置测量，犬肝脏由7个肝叶组成，肝叶由4个肝叶组成。肝叶分为左外叶、左中央叶、方叶、右中央叶、右外叶、尾状叶和舌叶，肝叶的形态和比例相对恒定，各叶有独立的Glisson系统和肝静脉系统。犬肝脏的肝动脉、肝静脉、胆道和脾静脉的分支有其独特性，脾静脉一般由上极和下极2支组成。结论：成功建立了犬肝脏及其附属管道的解剖学数据库，为建立各种犬模型奠定了基础。
AIM: To collect systematically the anatomic data of canine liver and affiliated conduits and provide a foundation for making a variety of canine models.METHODS: The dogs were anesthetized with pentobarbital sodium(30 mL/L,1 mL/kg) through intraperitoneal injection.After abdomen was open with median incision in epigastric zone,liver was exposed sufficiently to measure the diameter of each hepatic lobe and the length and external diameter of liver affiliated conduits in natural or normal position.The liver was taken out of abdomen for measuring the branches of hepatic vein and short hepatic vein.And then every hepatic peduncle of all hepatic lobes was cut off for weighing the hepatic lobes.RESULTS: Sixty-eight canine livers and affiliated conduits were observed and 62 were measured in natural or normal position;43 canine livers were observed and 33 were measured ex vivo.The canine liver is constituted by 7 lobes;that is left lateral lobe,left central lobe,quadrate lobe,right central lobe,right lateral lobe,caudate lobe and lingual lobe.The shape and proportion of hepatic lobes are comparatively constant.Each lobe has its independent Glisson system and hepatic vein system. The branches of the hepatic artery,hepatic vein,biliary tract and splenic vein of canine liver are particular.Splenic vein commonly is composed of 2 branches: upper pole and lower pole.(CONCLUSION:) We have succeeded in establishing anatomic database of canine liver and affiliated conduits,which makes a foundation for establishing various canine models.