The bare area is a triangular part of the back of the liver that has no peritoneal covering and sits directly against the diaphragm. It is outlined by the layers of the coronary ligament.
| Location | Posterior surface of the right lobe of the liver, against the diaphragm, enclosed by the coronary ligament |
|---|---|
| Parts |
|
| Nerve Supply | Coeliac and hepatic plexuses |
| Blood Supply | Hepatic artery branches; Inferior phrenic artery branches |
| Venous drainage |
|
| Lymphatic drainage |
|
Fixes the liver to the diaphragm and provides a route for veins and lymphatics between the abdomen and chest.
Because the bare area has no peritoneum, infection or bleeding here can spread directly to the chest. It is a site of portosystemic venous connections in portal hypertension. Liver biopsy or penetrating injury here may cause bleeding behind the peritoneum.
Infection in the posterior liver spreading through the diaphragm to the pleura.
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