Babinskireflex

Ba·bin·ski reflex (bə-bĭnʹskē) also Ba·bin·ski's reflex (-skēz) n.

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 it is usually associated with a disturbance of the pyramidal tract in children and adults. Also called Babinski sign, Babinski's sign.

  [After Joseph François Felix Babinski (1857-1932), French neurologist.]

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