Category: H
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Hepatocholangiostomy
Establishing free drainage by making an opening into the hepatic bile duct.
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Hepatocholangiogastrostomy
The establishment of drainage of bile ducts into the stomach.
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Hepatocholangioenterostomy
The establishment of a passage between the hepatic bile ducts and intestine.
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Hepatocholangioduodenostomy
The establishment of drainage of (hepatic) bile ducts into the duodenum.
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Hepatocholangiocystoduodenostomy
The establishment of drainage of bile ducts into the duodenum through the gallbladder.
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Hepatocarcinogen
Anything that causes cancer of the liver.
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Hepatitis G virus
An RNA flavivirus found in blood in about 2% of blood donors that may be transmitted by injection, drug abuse, sexual contact, transfusions, and childbirth (from mother to infant). It is remotely related to hepatitis C virus. It causes chronic viremia but does not seem to cause hepatitis or liver damage.
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Hepatitis D
A form of hepatitis caused by the hepatitis delta virus (HDV). It is considered a “defective” virus because it can produce infection only when hepatitis B virus (HBV) is present and therefore can be prevented through hepatitis B vaccination. It is rare in the U.S. In healthy people, coinfection with HDV and HBV usually causes…
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Hepatitis C core antigen
A protein released by the hepatitis C virus (HCV) into the bloodstream of infected patients. Because hepatitis C core antigen is detectable in the blood before HCV antibodies are produced, it can be used as a marker of early infection (e.g., in donated blood or plasma). It can also measure the response of HCV infection…
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Hepatitis B virus vaccine
A recombinant vaccine used to vaccinate children and people at high risk for coming in contact with either hepatitis B carriers or blood or fluids from such people. It contains noninfectious hepatitis B surface antigen (HBsAg), which stimulates the production of antibodies and provides active immunity. Included in the high-risk group are health care workers,…