Spine Surgery Glossary

100 terms total — 2 showing — Last updated 27 Sep 2026

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Term of the Day

dural ectasia

Advanced Technical IVT

Abnormal enlargement or ballooning of the dural sac beyond normal anatomical boundaries.

27 Sep 2026

Showing 1–2 of 100

Intermediate Technical IVT

Motion-preserving implant placed between adjacent spinous processes to limit extension while maintaining flexion.

ISP device extension-limiting device

Technical Term Full entry →

Intermediate Technical IVT

Narrowing of the lateral spinal canal where nerve roots exit the thecal sac.

subarticular stenosis nerve root entrapment zone stenosis

Technical Term Full entry →

Glossary terms, with category, difficulty and definition
Term	Category	Difficulty	Definition
interspinous process device IVT	Technical Term	Intermediate	Motion-preserving implant placed between adjacent spinous processes to limit ext...
lateral recess stenosis IVT	Technical Term	Intermediate	Narrowing of the lateral spinal canal where nerve roots exit the thecal sac.

Glossary Stats

Total terms 100

IVT eligible 98

Verified 0

intermediate 37

advanced 12

professional 51