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The caudate lobe (posterior hepatic segment I) is situated upon the posterosuperior surface of the liver on the right lobe of the liver, opposite the tenth and eleventh thoracic vertebrae.
The caudate lobe is a (physiologically) independent part of the liver, supplied by the right and left hepatic artery and portal vein. Blood from the caudate lobe drains directly into the vena cava....
The caudate lobe is anatomically different from other lobes in that it often has direct connections to the IVC through hepatic veins, that are separate from the main hepatic veins. The caudate lobe may be supplied by both right and left branches of the portal vein.
Anatomically, the liver has 4 lobes: right, left, caudate, and quadrate. The caudate lobe is demarcated medially by the ligamentum venosum, posteriorly by the inferior vena cava, and anteriorly by the porta hepatis (see Image.
The caudate lobe sits between the fissure for the ligamentum venosum and the inferior vena cava, while the quadrate lobe is located between the gallbladder and the fissure for the ligamentum teres hepatis. The two main surfaces of the liver are the diaphragmatic surface and the visceral surface.
Separating the caudate and quadrate lobes is a deep, transverse fissure – known as the porta hepatis. It transmits all the vessels, nerves and ducts entering or leaving the liver with the exception of the hepatic veins.
Anatomically, the liver is viewed as having four main lobes. There is a smaller left lobe and a larger right lobe (that are separated along the attachment of the falciform ligament), as well as a caudate and a quadrate lobe (which are part of the anatomical right lobe).
The caudate lobe of the liver is located deep in the liver, in front of the inferior vena cava (IVC) behind the three major hepatic veins, and cranial to the hilar plate. Thus, the diagnosis and treatment of liver cancer arising in the caudate lobe requires close attention owing to its unique location.
The liver is the largest visceral tissue mass in the human body and consists of four lobes, which include the right, left, quadrate, and caudate lobes. It functions by receiving blood from the alimentary canal, the accessory organs of the digestive tract, and the spleen and subsequently filtering it.
Two caudate lobe features were significantly different between the two populations—the shape of the caudate lobe and the development of the caudate process. This study shows significant population differences exist in several metrics and morphological features of the liver.