Babinski sign

Từ điển Oxford Learners Wordfinder Dictionary

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
• Syn:
Babinski, Babinski reflex
• Hypernyms:
reflex, reflex response, reflex action, instinctive reflex, innate reflex,
inborn reflex, unconditioned reflex, physiological reaction