Porta

Porta is a term used in anatomy to refer to a gateway or entrance, particularly in the context of the liver. The term is most commonly used in the phrase "porta hepatis," which refers to the point at which the hepatic artery and hepatic portal vein enter the liver.

Anatomy

The Porta hepatis is a deep fissure in the inferior surface of the liver through which all the neurovascular structures and hepatic ducts enter or leave the liver. It is also known as the hilum of the liver. The structures passing through it are the hepatic artery proper, portal vein, and common hepatic duct, along with some lymphatic vessels and nerves.

Clinical significance

The porta hepatis is a critical area in liver surgery and liver transplantation. It is the area where the surgeon must dissect and ligate the vascular structures and ducts. Any injury to these structures can lead to significant complications.

See also

• Hepatic artery
• Hepatic portal vein
• Common hepatic duct
• Liver transplantation

References

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