cytomegalovirus[sīt′ō meg′ə lō vī′rəs]
any of a group of herpesviruses that cause enlargement of the epithelial cells, esp. of the salivary glands, associated with pneumonia and with abnormalities in newborn infants that affect the brain, liver, kidneys, and lungs
Origin of cytomegaloviruscyto- + megalo- + virus
Any of a group of herpesviruses that attack and enlarge epithelial cells. Such viruses also cause a disease of infants characterized by circulatory dysfunction and microcephaly.
From the genus name.