With an operating temperature range of -60 degrees to 500degrees Fahrenheit (-50 degrees to 260 degrees Celsius ), this compound resists common engine fluids, including oil, gasoline, ethanol, water and anti-freeze and prevents contamination from moisture and dust.
This is accomplished by inserting a spinal cage or structural bone graft into the vertebral interspace (the area between the two vertebral bodies where the disc is located) and then decorticating an area such as the facet joints and placing bone grafting material.
What is a Thecal Sac: Definition and Structure: The thecal sac is a covering of the spinal canal that is filled with cerebrospinal fluid (CSF). It houses the spinal cord and nerve roots.It is made up of outer arachnoid membrane and inner dura. It is wider in females.The length is approximately until S1 to S3 vertebral levels.he thecal sac is a covering of the spinal canal that is filled with cerebrospinal fluid (CSF). It houses the spinal cord and nerve roots. It is made up of outer arachnoid membrane and inner dura. It is wider in females. The length is approximately until S1 to S3 vertebral levels.