porta hepatis

(redirected from portal fissure)
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Noun1.porta hepatis - opening for major blood vessels to enter and leave the liver
orifice, porta, opening - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
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References in periodicals archive ?
(2017), reported 20-35 % of these cases]; it emerges from the right portal branch in 79 %; the branch for segment V, after deepening 2 cm in its segmental parenchyma, gives anterior, lateral, posterior and medial branches which encompass the parenchyma between the right portal fissure (A05.8.01.036) and the main portal fissure (A05.8.01.035) from the inferior borderof the liver (A05.8.01.024) to the inferior vena cava (A12.3.09.001).
The branch for segment V (A05.8.01.047) (10 mm diameter) emerged from the left portal vein in 21 % of cases, it emerged from the right portal vein in 79 %; this segmental branch, after deepening 2 cm in its segmental parenchyma gave anterior, lateral, posterior and medial branches distributed between the right portal fissure (A05.8.01.036) and the main portal fissure (A05.8.01.035) from the lower border of the liver (A05.8.01.024) to the inferior vena cava from behind; the medial branches reached higher in the hepatic dome.
Standring describio tres conceptos acerca de la fisura de la porcion izquierda: la fisura umbilical, la fisura venosa y la fisura portal izquierda, como entidades diferentes, diferente ubicacion y diferente contenido, de una manera confusa que se contradice en cada definicion: 1) "Left portal fissure: It extends from the mid point of the anterior edge of the liver between the falciform ligament and the left triangular ligament to the point which marks the confluence of the left and middle hepatic veins.