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Noun: cytomegalovirus  `sI-tum`e-gu-low'vI-rus
  1. Any of a group of herpes viruses that enlarge epithelial cells and can cause birth defects; can affect humans with impaired immunological systems
    - CMV

Derived forms: cytomegaloviruses

Type of: herpes, herpes virus

Encyclopedia: Cytomegalovirus