2024年4月25日 · The portal vein (PV) (sometimes referred to as the main or hepatic portal vein) is the main vessel in the portal venous system and drains blood from the gastrointestinal tract and spleen to the liver.

2023年12月22日 · A portal venous system is one in which veins connect two capillary beds; or in other words drain one organ/organ system and pass into another organ/organ system rather than being directly returned to the heart. The hepatic portal vein is …

2023年10月19日 · The portal vein (PV) (sometimes referred to as the main or hepatic portal vein) is the main vessel in the portal venous system and drains blood from the gastrointestinal tract and spleen to the liver. Terminology A portal venous system connects...

2024年7月8日 · Portal venous flow is normally towards the liver (hepatopetal), with the normal main portal vein peak systolic velocities usually measuring 20-40 cm/s 1,3. The mean flow velocity of portal vein in adults is 19.3 cm/s 6 .

2024年8月5日 · Gross anatomy Boundaries. anterior: the free edge of the lesser omentum (hepatoduodenal ligament) which contains the common bile duct, hepatic artery proper, and portal vein between its two layers. posterior: peritoneum covering the inferior vena cava. superior: peritoneum covering the lower margin of caudate lobe of the liver

2023年11月25日 · A portal venous varix (plural: portal venous varices) refers to a segments of aneurysmal or variceal dilatation of the portal vein.

2023年10月20日 · Portal vein duplication is thought to be the result of remodeling of the embryological vitelline veins on both sides of the primitive duodenum 1,6. In some cases, it is difficult to explain by persistence of vitelline veins 2. Classification. all portal veins run through the hepatoduodenal mesentery. two portal veins both with retropancreatic ...

Portal vein. Images of veins from wikipedia or Gray's anatomy (out of copyright)

2020年1月20日 · The umbilical vein is the conduit for blood returning from the placenta to the fetus until it involutes soon after birth. The umbilical vein arises from multiple tributaries within the placenta and enters the umbilical cord, along with the (usually) paired umbilical arteries.

2024年8月15日 · Portal vein embolization (PVE) is a technique used to selectively occlude the blood supply to one of the liver lobes, diverting portal blood flow to the other lobe, the future liver remnant (FLR). This diversion will increase the size of the post-hepatectomy future liver remnant, which improves surgical outcomes by preventing liver insufficiency.