Babinski reflex

Noun

1.

Babinski reflex - 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

Babinski, Babinski sign, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, unconditioned reflex