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a.1.(Anat.) Between spines; esp., between the spinous processes of the vertebral column.
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Patients were made to sit and under strict aseptic precautions, 18G Tuohy needle was inserted into L2-L3 interspinal epidural space.
17 - Synthetic cancellous bone substitute in the form of paskEw-Package # 18 - interspinal implant to stabilize the placement miedzyblaszkowymPackage No.
When the laminectomy was performed, however, removal of the posterior elements, including the vertebral arches, supraspinous ligament and interspinal ligament, reduced the stability of the lumbar spine.