| infectious hepatitis | <virology> A form of viral hepatitis, known as infectious hepatitis, due to its ability to be spread through personal contact with oral secretions or stool. Virus will be shed in the stools of an infected individual 2-3 weeks prior to the onset of any symptoms. Hepatitis A may also be transmitted sexually. Symptoms are similar to those of influenza, but the skin and eyes may become yellow. Recent travel to a third world country is a risk factor. There is no specific treatment but infected individuals should avoid potentially hepatotoxic substances. The virus is a small (27nm diameter) single stranded RNA virus with some resemblance to enteroviruses such as polio. (27 Sep 1997) |
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| infectious hepatitis immunization | See Immunization, hepatitis a. (12 Dec 1998) |
| infectious hepatitis virus | <virology> An RNA virus (hepatovirus) in the family Picornaviridae, that is the causative agent of viral hepatitis type A. The virus replicates in hepatocytes and is presumed to reach the intestine via the bile duct. Transmission occurs by the faecal-oral route. Synonym: infectious hepatitis virus. (20 Sep 2002) |
| infectious necrotic hepatitis of sheep | A disease of sheep caused by the bacterium Clostridium novyi, which invades livers damaged by the fluke Fasciola hepatica and causes severe necrosis and death; this disease occurs in nearly all parts of the world, including the U.S. Sometimes called black disease because of the extensive haemorrhages seen on the inner surface of the pelt when it is removed. Synonym: black disease. (05 Mar 2000) |
| oriental cholangio-hepatitis | <radiology> Recurrent pyogenic hepatitis, pyogenic cholangitis, seen in Orient and in Asian immigrants, aetiology: Clonorchis sinensis (?), stones, dilated ducts filled with stones, soft, pigmented stones most likely to be no shadow on ultrasound, stricture, obstruction, abscess, increased incidence of cholangiocarcinomarcinoma Differential diagnosis: sclerosing cholangitis, Caroli disease (12 Dec 1998) |
| transfusion hepatitis | A virus disease with a long incubation period (usually 50 to 160 days), caused by hepatitis B virus, a DNA virus and member of the family Hepadnoviridae, usually transmitted by injection of infected blood or blood derivatives or by use of contaminated needles, lancets, or other instruments; clinically and pathologically similar to viral hepatitis type A, but there is no cross-protective immunity; HBsAg is found in the serum and the hepatitis delta virus occurs in some patients. Synonym: hepatitis B, serum hepatitis, transfusion hepatitis, virus B hepatitis. (05 Mar 2000) |
| epidemic hepatitis | A virus disease with a short incubation period (usually 15 to 50 days), caused by hepatitis A virus, a member of the family Picornaviridae, often transmitted by faecal-oral route; may be inapparent, mild, severe, or occasionally fatal and occurs sporadically or in epidemics, commonly in school-age children and young adults; necrosis of periportal liver cells with lymphocytic and plasma cell infiltration is characteristic and jaundice is a common symptom. Synonym: epidemic hepatitis, hepatitis A, infectious hepatitis, MS-1 hepatitis, short incubation hepatitis, virus A hepatitis. (05 Mar 2000) |
| equine serum hepatitis | <veterinary> An acute hepatic disease of the horse, often associated with prior administration of biological products; neurologic signs and jaundice are usually prominent signs; aetiology is unknown. Synonym: Theiler's disease. (05 Mar 2000) |
| fulminant hepatitis | <gastroenterology, pathology> A severe and rapidly progressive form of hepatitis accompanied by hepatocellular death and the signs and symptoms of hepatic failure. May be a complication of hepatitis B, hepatitis C or hepatitis D. (05 Jan 1998) |
| long incubation hepatitis | Outdated name for hepatitis B based on the longer incubation period (generally 30-180 days, usually 60-90) compared to hepatitis A (15-45 days, mean 30). (05 Mar 2000) |
| lupoid hepatitis | <pathology> A type of chronic active hepatitis that results from circulating auto-antibodies and chronic inflammation of the liver. Symptoms are those of chronic active hepatitis. (27 Sep 1997) |
| acetone body | <biochemistry> Any of the three compounds created by acetyl coenzyme A (acetoacetate, hydroxybutyrate, and acetone) which are water-soluble cellular fuels normally exported by the liver. They can build up in the blood and body tissues because of starvation, untreated diabetes mellitus, or other disorders that interfere with carbohydrate metabolism. The body rids itself of ketones mainly through urine, but it rids itself of acetone through the lungs, which gives the breath a characteristic fruity odour. If ketones build up in the body long enough, they cause serious illness and coma (see ketoacidosis.) (09 Oct 1997) |
| adrenal body | See adrenal gland. (12 Dec 1998) |
| alveolar body | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| amygdaloid body | Almond-shaped group of basal nuclei anterior to the inferior horn of the lateral ventricle of the brain, within the temporal lobe. The amygdala is part of the limbic system. (12 Dec 1998) |