Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «H»:
Hepatitis E virus
Hepatitis E virus: The agent responsible for hepatitis E. Abbreviated HEV. For more information, see: Hepatitis E....
Hepatitis F: It was formerly believed that a virus isolated from rare blood samples was able to cause hepatitis, and this virus was designated hepatitis F virus. Further investigation has failed to confirm the existence of this virus. There is no known hepatitis F virus....
Hepatitis G: A virus first identified in 1995 that is genetically related to the hepatitis C virus but which does not cause hepatitis and, in fact, is not known to be responsible for any disease.
Infection with the virus seems to be beneficial to HIV-infected patients. They enjoy longer survival i...
Hepatitis, infectious: See Hepatitis A....
Hepatitis, non-A, non-B
Hepatitis, non-A, non-B: The old name for hepatitis C
when the causative virus had not been identified but it was known not to be hepatitis A or
Hepatitis, toxic: Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or phosphorus....
Hepatitis, viral: Liver inflammation caused by viruses.
Specific hepatitis viruses have been labeled A, B, C, D, E, F, and G. While other viruses,
such as the mononucleosis (Epstein-Barr) virus and cytomegalovirus, can also cause
hepatitis, the liver is not their primary target....
Hepato-: Prefix or combining form used before a consonant to refer to the liver. From the Greek hepar, liver....
Hepatobiliary: Having to do with the liver plus the gallbladder, bile ducts, or bile. For example, MRI (magnetic resonance imaging) can be applied to the hepatobiliary system.
Hepatobiliary makes sense since "hepato-" refers to the liver and "-biliary" refers to the gallbladder, bile ducts, or bile...
Hepatoblastoma: A malignant tumor of the liver. Hepatoblastoma occurs almost exclusively in young children, more commonly in boys than in girls.
The diagnosis of hepatoblastoma is usually made after abdominal swelling (from liver enlargement caused by the tumor) is noticed. Although small tumors ca...
Hepatocarcinoma: Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as hepatocellular carcinoma. See: Hepatocellular carcinoma....
Hepatocellular carcinoma: A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver cancer.
Primary liver cancer is different from cancer that has metastasized (spread) from another place in the body to the liver.
The signs and symptoms may inclu...
Hepatology: The field of liver disease. The liver is the body's
largest organ and hepatology is a large field. It includes, but is not limited
to, the study of acute and chronic hepatitis, viral hepatitis, cirrhosis,
genetic and metabolic liver diseases and their complications, liver cancer,
Hepatoma: Cancer originating in the liver, in liver cells. More often called hepatocarcinoma or hepatocellular carcinoma. From hepat-, the liver + -oma, tumor = a liver tumor....
Hepatomegaly: An enlarged liver. "Hepato-"
comes from the Greek "hepatikos" (of the liver) + "megaly" from the
Greek "megas" (big or great) = bigness of the liver....