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There are currently 8 names in this directory beginning with the letter P.
Polymerase Chain Reaction is a technique used to amplify one or few copies of a piece of DNA or RNA which allows to detect viruses in blood.

Palmar erythema
Reddening of the palms that disappears to pressure. As spider angioma, palmar erythema can be a sign of hepatic insufficiency.

Percutaneous Liver Biopsy
Procedure using a long needle into the liver to obtain a specimen of liver tissue for microscopy analysis.

Polyunsaturated Fatty Acids (PUFA)
A fatty acid molecule that contains more than two double bonds between carbon atoms. They are liquid at room temperature. They are considered good quality fats. They include the most known fatty acids: omega-3 and omega-6.

Portal hypertension
High blood pressure in the hepatic portal system that can be caused by increased vascular resistance due to cirrhosis.

Portal tract, (also known as portal triads)
Parts of the liver seen on a microscope view, they are regularly distributed at the vertices of the hepatic lobule and they contain a bile duct, and branches of the hepatic artery and hepatic portal vein.

Primary biliary cirrhosis
Disease of the biliary tract that manly affect women. It is not in fact always cirrhosis. A better term is “primary biliary cholangitis.

Primary sclerosing cholangitis (PSC)
Results from inflammation and fibrosis in bile ducts. May be secondary or primitive, depending on whether the cause of biliary lesion is identified or not.