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Meaning of Babinski's reflex

Ba•bin'ski's re'flex

Pronunciation: (bu-bin'skēz), [key]
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.