annulus fibrosus
The 'annulus fibrosus' is a crucial component of the intervertebral disc in the spine, providing structural integrity and support.
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Definition
C1Spinal Anatomy
(technical, medical)The tough, outer layer of an intervertebral disc that surrounds the gel-like core.
Example
- A herniated disc occurs when the annulus fibrosus tears and the inner core protrudes.
C1Spinal Anatomy
(technical, medical)A fibrous ring composed of collagen and fibrocartilage, providing strength and flexibility to the disc.
Example
- The annulus fibrosus helps distribute pressure evenly across the intervertebral disc during movement.