L4 and L5 nerve roots

What does "L4 and L5 nerve roots" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

The L4 and L5 nerve roots are parts of the body's nervous system located in the lower part of the spine. They are like electrical wires that carry signals between the brain and the legs. Damage or pressure on these nerves can cause pain or numbness in the lower body, particularly in the legs and feet. These nerves are important for controlling movements and sensations in these areas.

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