The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...

Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on ...

Lumbar lymph nodes refer to a group of small organs that are part of the immune system. Lymph nodes are generally circular, bean-like organs that are dispersed throughout the body. The lumbar lymph ...