A is an inflammation of the liver caused by a virus, the hepatitis A virus (HAV).
Definition of HEPATITIS for Kids. : a disease which is caused by a virus and in which the liver is damaged and there is yellowing of the skin and fever. Full Definition of HEPATITIS. 1. : inflammation of the liver. 2. : a disease or condition (as hepatitis A or hepatitis B) marked by inflammation of the liver. See hepatitis defined for English-language learners. hepatitis (hep´ətī´tis) , n an inflammation of the liver. hepatitis C (Hep C, non-A, non-B hepatitis), n a type transmitted largely by blood transfusion or percutaneous inoculation, such as with in-travenous drug users sharing needles. The disease progresses to chronic hepatitis in up to 50% of the patients acutely infected. hepatitis C a viral disease caused by the hepatitis C virus, commonly occurring after transfusion or parenteral drug abuse; it frequently progresses to a chronic form that is usually asymptomatic but that may involve cirrhosis. cholangiolitic hepatitis cholestatic h. (1). Definition. Hepatitis A is an inflammation of the liver caused by a virus, the hepatitis A virus (HAV). It varies in severity, running an acute course, generally starting within two to six weeks after contact with the virus, and lasting no longer than two or three months. n. A form of viral hepatitis caused by an enterovirus that does not persist in the blood serum, is transmitted by ingestion of infected food and water, and has a shorter incubation and milder symptoms than hepatitis B. Also called infectious hepatitis. Viral hepatitis definition and overview. Hepatitis means inflammation of the liver. Many illnesses and conditions can cause inflammation of the liver, for example, drugs, alcohol, chemicals, and autoimmune diseases. Many viruses, for example, the virus of mononucleosis and the cytomegalovirus can inflame the liver. The most common hepatitis viruses are types A, B, and C. Reference to the hepatitis viruses often occurs in an abbreviated form (for example, HAV, HBV, HCV represent hepatitis viruses A, B, and C, respectively.) The focus of this article is on these viruses that cause the majority of human viral hepatitis. Noun. 1. hepatitis-inflammation of the liver caused by a virus or a toxin. liver disease-a disease affecting the liver. infectious disease-a disease transmitted only by a specific kind of contact. viral hepatitis-hepatitis caused by a virus. delta hepatitis, hepatitis delta-a severe form of hepatitis. Hepatitis (plural: hepatitides) is a medical condition defined by the inflammation of the liver and characterized by the presence of inflammatory cells in the tissue of the organ. Worldwide, viral hepatitis is the most common cause of liver inflammation. Other causes include autoimmune diseases and ingestion of toxic substances (notably alcohol), certain medications (such as paracetamol), some industrial organic solvents, and plants. Definition of HEPATITIS A. : an acute usually benign hepatitis caused by a picornavirus (species Hepatitis A virus of the genus Hepatovirus) that does not persist in the blood serum and is transmitted especially in food and water contaminated with infected fecal matter —called also infectious hepatitis. ADVERTISEMENT. Medical Definition of HEPATITIS. 1. : inflammation of the liver. 2. : a disease or condition (as hepatitis A or hepatitis B) marked by inflammation of the liver. — hep·a·tit·ic \-ˈtit-ik\ adjective. Full Definition of HEPATITIS. 1. : inflammation of the liver. 2. : a disease or condition (as hepatitis A or hepatitis B) marked by inflammation of the liver. See hepatitis defined for English-language learners. Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus. The virus is one of several types of hepatitis viruses that cause inflammation and affect your liver's ability to function. 
http://www.merriam-webster.com/dictionary/hepatitis http://medical-dictionary.thefreedictionary.com/hepatitis http://medical-dictionary.thefreedictionary.com/hepatitis+A http://www.medicinenet.com/viral_hepatitis/article.htm http://www.thefreedictionary.com/hepatitis https://en.wikipedia.org/wiki/Hepatitis http://www.merriam-webster.com/dictionary/hepatitis%20A http://www.merriam-webster.com/dictionary/hepatitis http://www.mayoclinic.org/diseases-conditions/hepatitis-a/basics/definition/CON-20022163
hepatitis definition