The liver is a large essential organ found in the upper right quadrant of the abdomen. It is a multifunctional accessory organ to the gastrointestinal tract and performs such functions as detoxification, protein synthesis, biochemical production, and nutrient storage to name a few.

It is the largest gland in the human body. The liver weighs approximately 1.5 kilograms. It works synchronously with many other organs and contributes to the maintenance of the basic homeostatic mechanisms.

It is entirely covered by the visceral peritoneum, except for the bare area, where the liver is in contact with the diaphragm.

The liver has two major surfaces:

Diaphragmatic surface - covered by the peritoneum, except in the bare area, which is the posterior aspect of the diaphragmatic surface, where the liver contacts and adheres closely to the diaphragm;
Visceral surface - covered by the peritoneum except at the porta hepatis and the bed of the gallbladder.

The visceral surface of the liver is directly related to several anatomical structures, such as the:

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Liver