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肝内Glisson系统解剖的对称性
Anatomical symmetry of the intrahepatic Glisson system
目的 通过观察实体肝脏Glisson系统的解剖形态结构，结合肝脏的胚胎发育、比较解剖学知识，论证肝脏Glisson系统的解剖对称性。方法 通过20例成人无病变尸体肝脏标本剥离解剖，对肝内Glisson系统进行形态学观察，采集相关数据并进行统计学分析，同时结合肝脏胚胎发育与动物比较解剖学的知识，从实体解剖、胚胎解剖、比较解剖的角度阐述肝脏的对称解剖理论。 结果 肝脏Glisson系统左支（G左）与主干（G主）的夹角为（76.7±17.36）°，右支（G右）与G主的夹角为（81.4±13.8）°；左支（G左）的长度为（3.1±0.76）cm，G中的长度为（2.61±0.72）cm，G右的长度为（1.5±0.50）cm；左叶Glisson系统主干呈弓状走行，辐射状三级分支数目为2～8支不等；中叶Glisson系统主干为Glisson系统主干的延续，三级分支数目呈2～6支不等；30%的右叶Glisson系统主干呈Y型与V型；70%右叶Glisson系统主干呈C型，辐射状三级分支数目为3~8支不等。 结论 以Glisson系统的三大二级分支将肝脏分为左、中、右3叶，从形态学、胚胎发育和比较解剖学的角度不仅是合理的，而且论证了肝脏实际是一以中叶Glisson主干为轴心的对称性器官。
Objective To observe the anatomical symmetry of the structures and istribution of the Glissonean pedicle of the intrahepatic Glisson system，integrating with embryology and comparative anatomy. Methods Morphology of the Glissonean pedicle of liver was examined through peeling and dissecting 20 adult corpses without liver pathological changes. The relevant data were collected and analyzed statistically. Meanwhile, we tried to elucidate elaborating the symmetry theory of liver anatomy through the dissection anatomy,embryonic anatomy and comparative anatomy. Results The angle between main stem of Glisson system/left branch of Glisson system(GM/GL) was (76.7±17.36)°. The angle between GM/GR was (81.4±13.8)°. The length of the the Glisson pedicle of left hepatic was (3.1±0.76)cm. The length of the the Glisson pedicle of middle hepatic was (2.61±0.72)cm. The length of the the Glisson pedicle of right hepatic was (1.5±0.50)cm. The shapes of the Glissonean pedicle stem of the left hepatic presenting arch, the number of radial level 3 branches were between 2-8. The shapes of the Glissonean pedicle stem of the middle hepatic continuing the main of Glissonean pedicle, the number of radial level 3 branches were between 2-6. The shapes of 30% of the Glissonean pedicle of the right hepatic presenting Y and V, 70% of the Glissonean pedicle of the right hepatic presenting C, the number of radial level 3 branches were between 3-8.
Conclusion In the light of morphology,embryology and comparative anatomy, it is reasonable to divide the liver into left,middle,right lobe by Glissonean pedicle of radial level 2 branches and the liver is an axiality and symmetry organ.
肝内Glisson系统 / 肝脏对称性 / 剥离解剖 / 成人
Intrahepatic Glissonean pedicle /
Symmetry of liver /
Anatomical dissection /
Adult
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