PARVIZ M. POUR / SCIENCE PHOTO LIBRARY PARVIZ M. POUR / SCIENCE PHOTO LIBRARY
Chronic persistent hepatitis. Light micrograph of a section through a liver with chronic persistent hepatitis. Hepatitis, or liver inflammation, is characterised by damage to liver cells. Here, the portal tract (white, upper right) has become enlarged and infiltrated with chronic inflammatory cells (dark nuclei). Some liver cells (centre & lower centre) have become swollen. Chronic hepatitis occurs when recovery from acute hepatitis is incomplete, usually after viral hepatitis. While chronic persistent hepatitis is a long-term condition, it is rarely severe. Haematoxylin & eosin stain. Magnification unknown.
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