Image courtesy of Intermountain Medical Imaging,
Boise, Idaho. All rights reserved.
A side view of the lumbar spine shows normal discs, spinal canal, and
nerve roots (see figure 1). Nerve roots normally float in the fluid-filled
canal. Figure 2 shows a small herniated disc pushing into the canal toward
ByHealthwise Staff Primary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency Medicine Specialist Medical ReviewerRobert B. Keller, MD - Orthopedics