What does "L4 vertebra" 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.
The L4 vertebra is one of the bones in the spine. It's located in the lower part of the back, which is often referred to as the lumbar region. This area of the spine carries a lot of the body's weight, which makes it prone to injury. The L4 vertebra is the fourth bone from the top in this lower back region.
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