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ALU (iou) and knee jerk (medicine)


ALU (iou)



ALU abbreviation.
Computing. Arithmetic and logic unit.

knee jerk (medicine)


knee jerk


The reflex tested by tapping just below the bent knee on the patellar tendon to cause the quadriceps muscle to contract and bring the lower leg forward. It has given rise to the saying: a knee-jerk reaction. Also known medically as the patellar reflex.