Cytomegalovirus

A group of viruses in the family Herpesviridae infecting humans and other animals, many of the viruses having special affinity for salivary glands, and causing enlargement of cells of various organs and development of characteristic inclusions (owl eye) in the cytoplasm or nucleus. Infection of embryo in utero may result in malformation and fetal death. They are all species-specific and include salivary virus, inclusion body rhinitis virus of pigs, and others. SYN: visceral disease virus. [cyto- + G. megas, big]

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cy·to·meg·a·lo·vi·rus .sīt-ə-.meg-ə-lō-'vī-rəs n a herpesvirus (species Human herpesvirus 5 of the genus Cytomegalovirus) that causes cellular enlargement and formation of eosinophilic inclusion bodies esp. in the nucleus and that acts as an opportunistic infectious agent in immunosuppressed conditions (as AIDS)

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n.
a member of the herpes group of viruses (see herpesvirus). It commonly occurs in humans and normally produces symptoms milder than the common cold. However, in individuals whose immune systems are compromised (e.g. by cancer or AIDS) it can cause more severe effects, and it has been found to be the cause of congenital handicap in infants born to women who have contracted the virus during pregnancy.

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Cy·to·meg·a·lo·vi·rus (si″to-megґə-lo-vi″rəs) [cyto- + megalo- + virus, from the appearance of infected cells] a genus of ubiquitous viruses of the subfamily Betaherpesvirinae (family Herpesviridae), containing the single species human herpesvirus 5, transmitted by multiple routes. It causes an infection that is usually mild or subclinical but may develop into cytomegalic inclusion disease.

Medical dictionary. 2011.

Look at other dictionaries:

  • Cytomegalovirus — Cytomégalovirus Pour les articles homonymes, voir CMV …   Wikipédia en Français

  • Cytomegalovirus — Classification and external resources ICD 10 B25 ICD 9 078.5 …   Wikipedia

  • cytomégalovirus — [ sitomegalovirys ] n. m. • 1979; de cyto , mégalo et virus ♦ Biol. Virus de la famille de l herpès, normalement peu ou pas pathogène pour l homme, mais pouvant provoquer des affections graves chez des sujets soumis à un traitement… …   Encyclopédie Universelle

  • cytomegalovirus — [sīt΄ō meg΄ə lō vī′rəs] n. [ CYTO + MEGALO + VIRUS] 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… …   English World dictionary

  • Cytomégalovirus — Pour les articles homonymes, voir CMV. Cytomégalovirus …   Wikipédia en Français

  • cytomegalovirus — /suy toh meg euh loh vuy reuhs/, n., pl. cytomegaloviruses. a common virus of the herpesvirus family, usually harmless or causing mild colds but capable of producing severe systemic damage in infected newborns and immunosuppressed persons. Abbr …   Universalium

  • cytomegalovirus — UK [ˌsaɪtəʊˈmeɡələʊˌvaɪrəs] / US [ˌsaɪtoʊˈmeɡəloʊˌvaɪrəs] noun [countable] Word forms cytomegalovirus : singular cytomegalovirus plural cytomegaloviruses medical a virus that usually causes minor infections but can cause serious infections in… …   English dictionary

  • Cytomegalovirus — Herpesvirus Her pes*vir us, n. (Med.) any of several dozen DNA containing virus of the family {Herpetoviridae}, including among them such human disease causing agents as {Herpes simplex virus} causing oral and genital {herpes}, {varicella zoster… …   The Collaborative International Dictionary of English

  • cytomegalovirus — noun Etymology: New Latin, from cytomegalia + o + virus Date: 1963 a herpesvirus (species Human herpesvirus 5 of the genus Cytomegalovirus) that causes cellular enlargement and formation of eosinophilic inclusion bodies especially in the …   New Collegiate Dictionary

  • cytomegalovirus — noun Any of several herpes viruses, of the genus Cytomegalovirus, that attack the salivary glands …   Wiktionary

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