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cataplexy

[ kat-uh-plek-see ]

noun

  1. Pathology. a condition characterized by sudden, brief attacks of muscle weakness sometimes causing the body to fall helplessly, that is usually triggered by strong emotion: often associated with narcolepsy.


cataplexy

/ ˈkætəˌplɛksɪ /

noun

  1. sudden temporary paralysis, brought on by severe shock
  2. a state of complete absence of movement assumed by animals while shamming death


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Derived Forms

  • ˌcataˈplectic, adjective
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Other Words From

  • cat·a·plec·tic [kat-, uh, -, plek, -tik], adjective
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Word History and Origins

Origin of cataplexy1

1880–85; < German Kataplexie < Greek katáplēxis (with suffix probably by analogy with Apoplexie apoplexy ) fixation (of the eyes), equivalent to kataplēk- (variant stem of kataplḗssein to strike down) + -sis -sis
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Word History and Origins

Origin of cataplexy1

C19: from Greek kataplēxis amazement, from kataplēssein to strike down (with amazement), confound, from kata- down + plēssein to strike
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Compare Meanings

How does cataplexy compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Drugs that change dopamine levels in people don’t seem to have big effects on REM sleep and cataplexy, Scammell says.

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