The obsolete process of inoculating a susceptible person with material from a vesicle of a patient with smallpox. SYN: variolization.

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var·i·o·la·tion .var-ē-ə-'lā-shən n the deliberate inoculation of an uninfected person with the smallpox virus (as by contact with pustular matter) that was widely practiced before the era of vaccination as prophylaxis against the severe form of smallpox

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va·ri·o·la·tion (var″e-o-laґshən) deliberate inoculation with the virus of unmodified smallpox to produce immunity to the naturally occurring disease; this was done in China and elsewhere in the region from ancient times to the 20th century. Dried crusts of smallpox lesions were applied to the skin or nasal mucous membranes, or were ingested. A modified method used in Europe in the eighteenth century consisted of subcutaneous injection of material from the lesions. Variolation is now used only experimentally in animals.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Variolation — Va ri*o*la tion, n. (Med.) Inoculation with smallpox. [1913 Webster] …   The Collaborative International Dictionary of English

  • Variolation — (Variolisation, lat.), Einimpfung der Pocken …   Meyers Großes Konversations-Lexikon

  • Variolation — (neulat.), Einimpfung der Menschenblattern zum Schutze gegen die Pocken, vor Einführung der Kuhpockenimpfung durch Jenner häufig angewendet …   Kleines Konversations-Lexikon

  • Variolation — Die Variolation (auch veraltet Inoculierung) ist eine alte Technik zur Immunisierung von meist Menschen gegen Viruserkrankungen, die bis ins 18. Jahrhundert vor allem in China, aber auch im Nahen Osten eingesetzt wurde. Hierbei wurden… …   Deutsch Wikipedia

  • variolation — ▪ medicine       obsolete method of immunizing patients against smallpox by infecting them with substance from the pustules of patients with a mild form of the disease (variola minor). The disease then usually occurs in a less dangerous form than …   Universalium

  • variolation — noun The inoculation of a person with smallpox so as to induce a mild form of the illness and subsequent immunity to it …   Wiktionary

  • Variolation — Va|ri|o|la|ti|on 〈[va ] f. 20〉 Impfung gegen Pocken * * * Va|ri|o|la|ti|on, die; , en (Med. früher): Pockenschutzimpfung …   Universal-Lexikon

  • Variolation — Va|ri|o|la|ti|on 〈[va ] f.; Gen.: , Pl.: en; Med.〉 Impfung gegen Pocken …   Lexikalische Deutsches Wörterbuch

  • Variolation — Va|rio|la|ti|on die; , en <zu ↑...ation> altind. Methode der aktiven Pockenimmunisierung durch Einritzen der Haut u. Auflegen von Grind eines abheilenden leichten Pockenfalles (Med.) …   Das große Fremdwörterbuch

  • variolation — var·i·o·la·tion …   English syllables

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