Left lobe of liver
LUQ
The left lobe of the liver is one of the two major lobes of the liver, the other being the right lobe. It is situated on the left side of the liver and is smaller than the right lobe. The left lobe is separated from the right lobe by the falciform ligament, which runs vertically through the liver and attaches to the diaphragm and abdominal wall.
The left lobe of the liver is divided into two segments also known as Couinaud segments: left lateral segment and left medial segment. The left lateral segment comprises about one-third of the left lobe, while the left medial segment forms the remaining two-thirds. The left lobe is responsible for many important liver functions, such as detoxification, metabolism of carbohydrates, lipids, and proteins, and secretion of bile, which helps in digestion of fats.
The left lobe of the liver receives blood supply from the left hepatic artery and the left portal vein. This blood is then drained by the left hepatic vein, which carries it to the inferior vena cava, the largest vein in the body.
In summary, the left lobe of the liver is an important part of the liver that is responsible for many vital functions. It is smaller than the right lobe and is divided into two segments. Its functions include detoxification, metabolism, and secretion of bile.
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