Annulus fibrosus disci intervertebralis
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| Annulus fibrosus disci intervertebralis | |
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| Cervical vertebra with intervertebral disc. (Disc annulus labeled at bottom right, and is visible at center in blue.) | |
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| Stages of Spinal Disc Herniation | |
| Gray's | subject #72 289 |
| Dorlands/Elsevier | a_50/12143724 |
Each intervertebral fibrocartilage is composed, at its circumference, of laminæ of fibrous tissue and fibrocartilage, forming the annulus fibrosus.
[edit] Spelling notes
Either "anulus" or "annulus" are correct spellings. Gray's Anatomy uses "annulus fibrosus," Terminologia Anatomica uses "anulus fibrosus," and Nomina Anatomica uses both forms. A Google search indicates that "annulus fibrosus" is the most common usage.
"Fibrosus" has no correct alternative spelling; "fibrosis" has a different meaning and is incorrect in this context. [1]
[edit] References
- ^ Fardon DF (2001). "Nomenclature and classification of lumbar disc pathology". Spine 26 (5): 461–2. PMID 11242371.
[edit] External links
- Duke Orthopedics annulus_fibrosus
- anulus+fibrosus+of+intervertebral+disc at eMedicine Dictionary
- Diagram at upenn.edu
- Diagram at spineuniverse.com
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