Hepatitis B surface antigen
Hepatitis B surface antigen
Hepatitis B surface antigen (HBsAg) is a protein that is produced by the Hepatitis B virus (HBV). It is the earliest indicator of acute hepatitis B and often identifies infected people before symptoms appear.
Pronunciation
Hepatitis B surface antigen is pronounced as /hɛpəˈtaɪtɪs biː ˈsɜːrfɪs æntɪdʒən/.
Etymology
The term "Hepatitis B surface antigen" is derived from the following components: "Hepatitis" comes from the Greek words hepar (liver) and itis (inflammation), "B" refers to the type of virus, "surface" indicates the location of the antigen on the virus, and "antigen" is a substance that triggers an immune response.
Related Terms
- Hepatitis B: A serious liver infection caused by the hepatitis B virus.
- Hepatitis B virus: The virus that causes hepatitis B.
- Antigen: A substance that triggers an immune response.
- Hepatitis B core antigen (HBcAg): Another important protein produced by the hepatitis B virus.
- Hepatitis B e antigen (HBeAg): A viral protein associated with higher rates of viral replication.
See Also
External links
- Medical encyclopedia article on Hepatitis B surface antigen
- Wikipedia's article - Hepatitis B surface antigen
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