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  • blood
  • When these valves do not function properly, blood pools inside the vein rather than being transported up the legs to the heart. (cfvein.com)
  • Pooling blood causes the vein to expand and turn dark red, blue, or purple, forming a varicose vein. (cfvein.com)
  • appearance
  • If you suffer from varicose veins, there are a variety of non-invasive vein therapy options available to eliminate them and restore your confidence in the appearance of your legs. (cfvein.com)
  • active
  • Being overweight and minimally-active puts excess strain on your cardiovascular system, affecting the veins and their valves. (cfvein.com)
  • neck of the p
  • Measuring approximately 8 cm (3 inches) in adults, the portal vein is located in the right upper quadrant of the abdomen, originating behind the neck of the pancreas. (wikipedia.org)
  • occlusion
  • Acute PVT represents an abrupt total or partial occlusion of the portal vein, and patients may present with no symptoms, or with abdominal pain, nausea and/or vomiting, diarrhea, low back pain, and fever in the setting of pylephlebitis (septic PVT). (infectiousdiseaseadvisor.com)
  • catheter
  • During the transplant, a radiologist uses ultrasound and radiography to guide placement of a catheter through the upper abdomen and into the portal vein of the liver. (wikipedia.org)
  • artery
  • The position of the correct artery or vein supplying the pathology in question is located by digital subtraction angiography (DSA). (wikipedia.org)
  • From the back of the head emerges a small uncinate process which extends to the back of the superior mesenteric vein and ends at the superior mesenteric artery. (wikipedia.org)
  • The neck is about 2.5 cm (1 in) long and lies between the head and the body and in front of the superior mesenteric artery and vein. (wikipedia.org)
  • the superior mesenteric vein runs upward on the right side of the artery and, behind the neck, joins with the lienal vein to form the portal vein. (wikipedia.org)
  • pathology
  • An inflammatory reaction is usually present, mainly in the superficial veins and, for this reason this pathology is called most of the time thrombophlebitis. (wikipedia.org)
  • develops
  • More recently, it was shown that portal-mesenteric vein glucose sensing is particularly important when hypoglycemia develops slowly and, under these conditions, modulates over 90% of the sympathoadrenal response to hypoglycemia ( 9 ). (diabetesjournals.org)
  • superior
  • The venous system finally coalesces into two major veins: the superior vena cava (roughly speaking draining the areas above the heart) and the inferior vena cava (roughly speaking from areas below the heart). (wikipedia.org)