Anatomical symmetry of the intrahepatic Glisson system

doi:10.3969/j.issn.0529-1356.2014.05.017

Abstract

Abstract:

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(G_M/G_L) was (76.7±17.36)°. The angle between G_M/G_Rwas (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.

Key words:

Intrahepatic Glissonean pedicle, Symmetry of liver, Anatomical dissection, Adult

YU Zhi-yong* LIU Qiao-yun WEI Jia MA Xin-yi GAO Ze-hai CAI Qiang. Anatomical symmetry of the intrahepatic Glisson system[J]. AAS, 2014, 45(5): 682-687.

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