Liver blood tests are some of the most commonly performed blood tests. These tests can be used to assess liver functions or liver injury. An initial step in detecting liver damage is a simple blood test to determine the level of certain liver enzymes (proteins) in the blood.
1 Degeneration (deterioration) of the disc makes the disc more susceptible to herniation (rupture), which can lead to localized or radiating pain. 2  Sciatica can result from disc herniation ( ruptured disc ) when nerves in the low back are irritated.
Degenerative Disc Disease (Definition) 1  Degenerative disks are when the normal spongy architechture of the disks goes away. The disks normally are between the vertebre in your spine. 2  Spinal stenosis is medical condition in which openings where nerves leave the spine are narrowed.