As well as old leases, you should keep anything that documents the landlord-tenant relationship or supports the items you report on your tax return. If the IRS audits your tax return and you cannot produce the correct verification documents, you may be liable for additional tax and penalties.
The facet joints link the vertebrae together and give them the flexibility to move against each other. The facets are the bony knobs that meet between each vertebra. There are two facet joints between each pair of vertebrae, one on each side.
Forward movement of the body of one of the lower lumbar vertebrae on the vertebra below it, or on the sacrum. spondylolisthesis. spondylolisthesis. n. Forward displacement of one of the lower lumbar vertebrae over the vertebra below it or on the sacrum.