anesthesia

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See also: anesthésia

English

English Wikipedia has an article on:
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Alternative forms

Etymology

Sense of “insensibility” attested since 1679, from New Latin anaesthēsia, from Ancient Greek ἀναισθησία (anaisthēsía, “without sensation”), from ἀν- (an-, “not”) and αἴσθησις (aísthēsis, “sensation”).

Sense of “state induced by an agent” attested since 1846.

Pronunciation

Noun

anesthesia (countable and uncountable, plural anesthesias)

  1. (medicine, American spelling, Canadian spelling) An artificial method of preventing sensation, used to eliminate pain without causing loss of vital functions, by the administration of one or more agents which block pain impulses before transmitted to the brain.
  2. (American spelling) The loss or prevention of sensation, as caused by anesthesia (in the above sense), or by a lesion in the nervous system, or by another physical abnormality.
    • 1902, William James, “Lectures 4 & 5”, in The Varieties of Religious Experience ‎, London: Longmans, Green & Co.:
      In some individuals optimism may become quasi-pathological. The capacity for even a transient sadness or a momentary humility seems cut off from them as by a kind of congenital anæsthesia.
  3. (loosely, proscribed, sometimes Philippines) Synonym of anesthetic

Hyponyms

Derived terms

Related terms

Translations

general anesthesia — see general anesthesia

References

  1. ↑ 1.0 1.1 Haridas, Rajesh P. (2017). “Earliest English Definitions of Anaisthesia and Anaesthesia”. Anesthesiology. 127 (5): 747–753. doi:10.1097/ALN.0000000000001764.

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