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Falciform ligament: easy and brief description
Falciform ligament
It is a
false ligament which is formed by peritoneal fold. It has two limb right and
left. The right limb runs laterally and is continuous with the upper layer of
coronary ligament. Left limb of falciform ligament goes medially and continued
as anterior layer of left triangular ligament.
It has
three parts:
1)
Convex part:
is attached with the diaphragm and
anterior abdominal wall
2)
Concave
part: is attached with anterior and
superior surface of liver and divide the liver into right and left lobe
3)
Free part:
extend from inferior border of liver to umbilicus and contain ligamentum teres
(round) hepatis . it represents the
obliterated left umbilical vein . in fetal life left umbilical vein open into
the left portal vein . it is suppose to be obliterated in adult life but
frequently remain partially patent. Sometime lumen may open up in condition
such as portal hypertension to form a collateral channel.
Relation :
Falciform
ligament is related with right rectus abdominis muscle. It is divided into
right and left subphrenic compartments. It is often divided in abdominal
surgery for access to upper abdominal viscera. It is use as landmark to
identify segment IV,III &II. In ultrasonography it is visualized as echogenic
structure so it also help in sonography to localized any lesion .
Blood
supply of falciform ligament:
It is
supplied by segmental IV artery and it makes anastomosis with branch of
internal thoracic artery
Functions
of falciform ligament:
The primary
function of this ligament is to hold the liver in position. it is one of the
anatomical structures which link to the rectus abdominis muscle and the
diaphragm wall and prevent the liver from falling out of place.
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