The right lobe is the largest lobe of the liver. Anatomically it lies to the right of the falciform ligament on the front and the fissures for the ligamentum venosum and ligamentum teres underneath. Functionally, surgeons define the right liver as the part to the right of a plane from the gallbladder bed to the inferior vena cava (Cantlie line), containing segments V-VIII.
| Location | Right part of the liver, under the right dome of the diaphragm and lower right ribs |
|---|---|
| Parts |
|
| Nerve Supply | Hepatic plexus from the coeliac plexus (sympathetic); Vagus nerve (parasympathetic) |
| Blood Supply | Right hepatic artery |
| Venous drainage |
|
| Lymphatic drainage |
|
Performs the full range of hepatic functions and holds most of the liver's volume.
The functional right liver has its own branches of the hepatic artery, portal vein and bile duct, so it can be removed (right hepatectomy) or donated in living donor transplantation. Being the largest lobe, it is the part most often injured in trauma and the most common site of liver abscesses. A tongue-like downward extension of the right lobe (Riedel lobe) can be mistaken for a mass.
Abscess caused by Entamoeba histolytica, most often in the right lobe, presenting with fever and right upper quadrant pain.
Traumatic tear of the right lobe, which is especially exposed under the lower right ribs.
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