CYBERMEDICS
© 1999,Venkatesh.K.S
FUNCTIONAL DIVISIONS OF THE LIVER - SURGICAL ANATOMY
Anatomical and surgical divisions of the liver vary.Anatomically
the liver is divided into the right and left lobes by a line (the principal
plane) passing thro' the bed of the gallbladder projecting posteriorly
towards the inferior venacava.The caudate lobe is equally shared between
the right and the left lobes of the liver.Each lobe is divided into two
segments;the right lobe into anterior and posterior by an oblique line
running anteroposteriorly and the left lobe into medial and lateral segments
by the insertion of the ligamentum teres and ligamentum venosum.
Depicted in this picture is a functional division
(not anatomical) useful in segmental resections and liver reconstruction
following transplants.Accordingly the liver is divided into eight segments
(I-VIII) each with it's own vascular supply,biliary & venous drainage.
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