knee jerk   (TTS Sound)

The knee_jerk has 1 Senses.

• knee-jerk reflex, knee jerk, patellar reflex
• 膝蓋反射
• a reflex extension of the leg resulting from a sharp tap on the patellar tendon
• 膝蓋腱を強くたたいた結果、脚が反射的に伸展すること