Hepatitis B virus, TEM

Videonummer 12329568
Hepatitis B virus (HBV) is the cause of serum hepatitis or hepatitis B, animated coloured transmission electron micrograph (TEM). Human hepatitis B virus is the prototype virus of the Hepadnavirus family and is a DNA virus (partly double stranded). The complete virus or virion is called a Dane particle (approx. 40 nanometres in diameter). The virus attacks the liver, producing liver inflammation, flu-like symptoms, followed by jaundice. The inflammation is the immune response to the virus invading liver cells and replicating. The virus has a coat (capsid) bearing surface glycoproteins, which the body detects as foreign substances (antigenic determinants). It is spread by infected blood through blood transfusions, tattooing, acupuncture, and needle sharing by intravenous drug abusers. Hepatitis B is also a sexually transmitted disease. Magnification: x39, 760 when shortest axis printed at 25 millimetres.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / DENNIS KUNKEL MICROSCOPY
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Länge: 15 Sekunden
Seitenverhältnis: 16:9
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