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portal vein

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia, Hutchinson 0.02 sec.
portal vein [′pȯrd·əl ‚vān]
(anatomy)
Any vein that terminates in a network of capillaries.


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In a procedure called islet transplantation, physicians take islet cells from a cadaver and infuse them into the portal vein of a patient's liver, where the new cells start making insulin.
The transplant procedure involves isolating healthy insulin-producing islets from a donor pancreas and infusing the islets through a catheter under local anaesthetic into the recipient's portal vein.
Healthy islets are isolated from a donor pancreas, purified, and then infused through a catheter (small tube) into the portal vein of the liver.
 
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