L3 (3rd Lumbar Vertebra) The L3 vertebra is in the middle of the five (5) lumbar vertebrae in the lower back portion of the spinal column. L3 L4 Vertebrae Image Diagram - Chart - diagrams and charts with labels. This diagram depicts L3 L4 Vertebrae Image and explains the details of L3 L4 Vertebrae Image.
L3 L4 Vertebrae Image
