porta hepatis


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Related to porta hepatis: greater omentum

porta

 [por´tah] (L.)
an entrance or gateway, especially the site where blood vessels and other supplying or draining structures enter an organ; called also portal.
porta he´patis the transverse fissure on the visceral surface of the liver, where the portal vein and hepatic artery enter and the hepatic ducts leave. Called also portal fissure and transverse fissure.

por·ta hep·a·tis

[TA]
a transverse fissure on the visceral surface of the liver between the caudate and quadrate lobes, lodging the portal vein, hepatic artery, hepatic nerve plexus, hepatic ducts, and lymphatic vessels.

porta hepatis

por·ta hep·a·tis

(pōr'tă hep'ă-tis) [TA]
A transverse fissure on the visceral surface of the liver between the caudate and quadrate lobes, lodging the portal vein, hepatic artery, hepatic nerve plexus, hepatic ducts, and lymphatic vessels.
Synonym(s): caudal transverse fissure, portal fissure.

porta

pl. portae [L.] an entrance or gateway, especially the site where blood vessels and other supplying or draining structures enter an organ.

porta hepatis
the fissure on the visceral surface of the liver, where the portal vein and hepatic artery enter and the bile duct leaves. Called also portal fissure and transverse fissure.
References in periodicals archive ?
Extended dissection of the porta hepatis and creation of an intussuscepted ileocaecal conduit for biliary atresia.
The identification of air in both the porta hepatis and in a subcapsular position in the liver parenchyma (Fig.
Key Words: colorectal cancer, micrometastases, porta hepatis
4) Metastases to the porta hepatis without involvement of the liver is rarely reported in the literature.
CT scan of the abdomen and pelvis obtained on November 1, 2002, revealed an ill-defined low-density mass in the porta hepatis with intrahepatic biliary dilation (Fig.
Isolated porta hepatis metastasis without liver involvement or colon recurrence is extremely rare.
The primary site of metastases to the porta hepatis is usually within the gastrointestinal tract.
Gastrointestinal leiomyosarcoma--unusual sites: esophagus, colon and porta hepatis.
Given the apparent success in using cytokeratin expression to identify the site of origin for many metastatic carcinomas, we questioned whether this approach could be used to identify carcinomas of the biliary tract or pancreas in metastatic sites, or to pinpoint the exact site of origin for carcinomas with extensive growth in the porta hepatis.
We also questioned whether it was possible, in advanced carcinomas in the porta hepatis, to distinguish gallbladder from bile duct from pancreatic duct origin based on the coordinate expression of CK7 and CK20.