Hepatitis B is a potentially serious form of liver inflammation due to infection by the hepatitis B virus (HBV).
The liver. Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). For some people, hepatitis B infection becomes chronic, meaning it lasts more than six months. Having chronic hepatitis B increases your risk of developing liver failure, liver cancer or cirrhosis — a condition that causes permanent scarring of the liver. hepatitis B (HB), a viral hepatitis caused by the hepatitis B virus (HBV), a hepadnavirus. The virus is transmitted by transfusion of contaminated blood or blood products, by sexual contact with an infected person, by the use of contaminated needles and instruments, or in utero. 1 Contact with infected blood is a common means of transmitting hepatitis B. 2  One way this may happen is by being stuck with a needle. 3  Both health care workers and those who inject drugs into their veins are at risk in this way. 4  Having sex with a person infected by HBV is an important risk factor (especially anal sex). In this article. Hepatitis B is an infection of your liver. It can cause scarring of the organ, liver failure, and cancer. It can be fatal if it isn’t treated. It’s spread when people come in contact with the blood, open sores, or body fluids of someone who has the hep B virus.  a form of hepatitis caused by a DNA virus (hepatitis B virus) that persists in the blood and has a long incubation period: usu. transmitted by sexual contact or by injection or ingestion of infected blood or other bodily fluids. A viral hepatitis that is either acute or chronic, caused by a DNA virus, and usually transmitted by infected blood products (as through transfusion), contaminated needles, or exposure to infected bodily fluids through sexual intercourse. hepatitis C. n. A form of viral hepatitis caused by an RNA virus that is transmitted primarily by blood and blood products, as in blood transfusions or intravenous drug use, and sometimes through sexual contact. Most cases of non-A, non-B hepatitis are of this type.  Noun. 1. hepatitis B-an acute (sometimes fatal) form of viral hepatitis caused by a DNA virus that tends to persist in the blood serum and is transmitted by sexual contact or by transfusion or by ingestion of contaminated blood or other bodily fluids. serum hepatitis. A viral hepatitis that is either acute or chronic, caused by a DNA virus, and usually transmitted by infected blood products (as through transfusion), contaminated needles, or exposure to infected bodily fluids through sexual intercourse. 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.  Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) which affects the liver.  Definition. Hepatitis B is a potentially serious form of liver inflammation due to infection by the hepatitis B virus (HBV). It occurs in both rapidly developing (acute) and long-lasting (chronic) forms, and is one of the most common chronic infectious diseases worldwide. 1 Contact with infected blood is a common means of transmitting hepatitis B. 2  One way this may happen is by being stuck with a needle. 3  Both health care workers and those who inject drugs into their veins are at risk in this way. 4  Having sex with a person infected by HBV is an important risk factor (especially anal sex).
http://www.mayoclinic.org/diseases-conditions/hepatitis-b/basics/definition/CON-20022210 http://medical-dictionary.thefreedictionary.com/Hepatitis+B http://www.webmd.com/hepatitis/digestive-diseases-hepatitis-b http://www.thefreedictionary.com/hepatitis+B http://medical-dictionary.thefreedictionary.com/Hepatitis+C http://www.thefreedictionary.com/hepatitis+B https://en.wikipedia.org/wiki/Hepatitis https://en.wikipedia.org/wiki/Hepatitis_B http://medical-dictionary.thefreedictionary.com/Hepatitis+B
define hepatitis b