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In human anatomy, the liver is divided grossly into four parts or lobes: the right lobe, the left lobe, the caudate lobe, and the quadrate lobe.Seen from the front – the diaphragmatic surface – the liver is divided into two lobes: the right lobe and the left lobe.
It is formed by the union of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). [3] The duct is about 3 cm long. [4] The common hepatic duct is about 6 mm in diameter in adults, with some variation. [5]
A liver segment is one of eight segments of the liver as described in the widely used Couinaud classification (named after Claude Couinaud) in the anatomy of the liver.This system divides the lobes of the liver into eight segments based on a transverse plane through the bifurcation of the main portal vein, [1] arranged in a clockwise manner starting from the caudate lobe.
The liver is grossly divided into two parts when viewed from above – a right and a left lobe – and four parts when viewed from below (left, right, caudate, and quadrate lobes). [16] The falciform ligament makes a superficial division of the liver into a left and right lobe. From below, the two additional lobes are located between the right ...
The left triangular ligament connects the posterior part of the upper surface of the left lobe of the liver to the thoracic diaphragm. [1] Its anterior layer is continuous with the left layer of the falciform ligament .
In human anatomy, the falciform ligament (from Latin 'sickle-shaped') is a ligament that attaches the liver to the front body wall and divides the liver into the left lobe and right lobe. [1] The falciform ligament is a broad and thin fold of peritoneum, its base being directed downward and backward and its apex upward and forward.
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In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale. The hepatic lobule is a building block of the liver tissue , consisting of portal triads, hepatocytes arranged in linear cords between a capillary network, and a central vein .