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Unformatted text preview: sacrum E. coccygeal * 3/5 bones fused to form coccyx IV. Intervertebral Disc A. Functions 1. absorb stress/shock on the vertebral column 2. provide surface for vertebra to twist B. Structure 1. annulus fibrosus- outer ring of fibrocartilage 2. nucleus pulposus- inner structure, highly elastic C. Herniated Disc 1. nucleus pulposus ruptures through the fibrocartilage 2. generally ruptures at L3-5 (lower back slipped disc) 3. most often occurs in posterior direction 1 The Axial Skeleton 4. can compress spinal nerves and spinal cord V. Don't Forget That FLASHCARDS Can Save You Time and Energy!!! 2...
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- Fall '10
- Vertebra, Intervertebral disc, C3-6 bifid spine, largest vertebral foramen