The liver hilum, which some people know as the porta hepatis or hilum of the liver, is a fissure or opening between two sections, or lobes, of the liver.
The liver hilum allows structures including the common duct, hepatic artery proper, and portal vein to enter and leave the liver.
The liver is an organ located in the right upper quadrant of the abdomen. It contains several parts, including the liver hilum, that allows it to function and interact with other parts of the body.
These structures help transport materials to and from the liver.
This article reviews:
- what the liver hilum is
- the location of the liver hilum
- liver hilum anatomy
- the function of the liver hilum
- problems and complications that may affect the liver hilum

The liver hilum or porta hepatis is a fissure or opening that allows various structures to pass into and out of the liver, the body’s
These structures, which include the common duct, hepatic artery proper, and portal vein, allow nutrients and blood to enter the liver.
The liver hilum lies on the underside of the liver, near the center. More specifically, it
It is
According to an
Several structures pass through the opening. These
- main portal vein (PV)
- proper hepatic artery (PHA)
- common hepatic duct (CHD)
- nerves
- parts of the lymphatic system
The liver hilum is an opening or fissure. Its
In doing so, it allows blood to flow in and out of the liver and other substances to enter or exit the liver as necessary.
Several different conditions can affect the liver hilum.
Some potential issues include:
- stenosis — narrowing of the veins or arteries
- thrombosis — blood clots that can lead to portal hypertension
- aneurysm — a bulge in blood vessels
- formation of lesions due to diseases of the biliary system
- pancreatic and gastrointestinal cancers may spread through the area
A person should talk with a doctor if they experience symptoms that could indicate an issue with their liver,
- reduced appetite
- feeling tired or weak
- nausea
- vomiting
- losing weight without trying
- mild pain or discomfort in the upper, right side of the abdomen
The liver hilum is an opening or fissure located on the underside of the liver. It is responsible for providing an opening to veins, arteries, lymphatic structures, bile ducts, and nerves.
Several conditions that affect the liver can affect the liver hilum, including thrombosis, aneurysm, and certain cancers.
A person should consult a doctor if they suspect any symptoms that may potentially indicate an issue with their liver.