Babinski reflex

/bəˈbɪnski/

Definitions of Babinski reflex

1. noun

   extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons
   synonyms: Babinski, Babinski sign

   type of:

   inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex

   an automatic instinctive unlearned reaction to a stimulus