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Babinski's reflex

American  
[buh-bin-skeez] / bəˈbɪn skiz /
Or Babinski reflex

noun

  1. a reflex extension of the great toe with flexion of the other toes, evoked by stroking the sole of the foot: normal in infants but otherwise denoting central nervous system damage.

Etymology

Origin of Babinski's reflex

Named after J. F. F. Babinski (died 1932), French neurologist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.