Babinski's reflex

or Babinski reflex

[ buh-bin-skeez ]
/ bəˈbɪn skiz /


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.

Origin of Babinski's reflex

named after J. F. F. Babinski (died 1932), French neurologist Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for babinski's reflex

Babinski's reflex
[ bə-bĭnskēz ]


An extension of the great toe, sometimes with fanning of the other toes, in response to stroking of the sole of the foot. It is a normal reflex in infants, but is associated with a disturbance of the pyramidal tract in children and adults.Babinski's sign toe reflex
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.