The sacral cord segments are all located at the vertebral levels T12 and L1.

• The sacral cord segments are all located at the vertebral levels T12 and L1.

• Roots stream down from the much shorter cord to ganglia that lie in the intervertebral foramen of the respective vertebral level.

• Roots form the cauda equina in the vertebral canal below L1and consists of roots L2 through S5-Cx1.

• A pial extension, without cord, anchors the cord to the coccygeal vertebrae.