patellar reflex

Từ điển Oxford Learners Wordfinder Dictionary

noun

a reflex extension of the leg resulting from a sharp tap on the patellar tendon
• Syn:
knee jerk, knee-jerk reflex
• Hypernyms:
reflex, reflex response, reflex action, instinctive reflex, innate reflex,
inborn reflex, unconditioned reflex, physiological reaction