The Interspinous Spacer: A Clinicoanatomical Investigation Using Plastination

Figure 1

Sagittal cut with enlargement of the interspinous ligament. ce: conus medullaris; d: disc; f: intervertebral foramen; fj: facet joint; IPD: interspinous process device; i/s: inter/supraspinous ligament complex; lf: ligamentum flavum; mi: iliocostalis muscle; ml: longissimus thoracis muscle; mm: multifidus muscle; mp: psoas muscle; ms: spinalis muscle; nr: nerve root; pll: posterior longitudinal ligament; ps: spinous process; pt: transverse process; sc: spinal canal; tlf: thoracolumbar fascia; v: vertebra.