Dictionary

cataplexy

noun cat·a·plexy \ˈka-tə-ˌplek-sē\
plural cat·a·plex·ies\-sēz\

Definition of CATAPLEXY

:  sudden loss of muscle power following a strong emotional stimulus

Origin of CATAPLEXY

German Kataplexie, from Greek kataplēxis, from kataplēssein to strike down, terrify, from kata- + plēssein to strike — more at plaint
First Known Use: 1883

Rhymes with CATAPLEXY

cataplexy

noun cat·a·plexy \ˈkat-ə-ˌplek-sē\   (Medical Dictionary)
plural cat·a·plex·ies \-sēz\

Medical Definition of CATAPLEXY

:  a sudden loss of muscle control with retention of clear consciousness that follows a strong emotional stimulus (as elation, surprise, or anger) and is a characteristic symptom of narcolepsy

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