Definition of Knee-jerk reflex

1. Noun. A reflex extension of the leg resulting from a sharp tap on the patellar tendon.


Medical Definition of Knee-jerk reflex

1. A sudden contraction of the anterior muscles of the thigh, caused by a smart tap on the patellar tendon while the leg hangs loosely at a right angle with the thigh. Synonym: knee jerk, knee phenomenon, knee reflex, knee-jerk reflex, patellar tendon reflex, quadriceps reflex. (05 Mar 2000)

Lexicographical Neighbors of Knee-jerk Reflex

kneads
knebelite
knebelites
kneck
knecks
knee
knee-cap
knee-caps
knee-chest position
knee-deep
knee-deep in the Big Muddy
knee-elbow position
knee-high
knee-highs
knee-jerk
knee-jerk reflex (current term)
knee-jerks
knee-length
knee-pad
knee-slapper
knee-slappers
knee-slapping
knee-tremblers
knee arthroplasty
knee baby
knee bend
knee brace
knee breeches
knee bursitis

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