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Annulus Fibrosus
By: Tim Barclay, PhD
Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 23, 2015
The annulus fibrosus is a band of fibrous fibrocartilage of which each intervertebral disk is composed. It surrounds a gelatinous core, called the nucleus pulposus.
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Anatomy Explorer
- Annulus Fibrosus
- Anterior Longitudinal Ligament
- Anterior Sacroiliac Ligament
- Aorta
- Arachnoid Mater
- C1 (Atlas) - 1st Cervical Vertebra
- C2 (Axis) - 2nd Cervical Vertebra
- C3 (3rd Cervical Vertebra)
- C4 (4th Cervical Vertebra)
- C5 (5th Cervical Vertebra)
- C6 (6th Cervical Vertebra)
- C7 (7th Cervical Vertebra)
- Coccyx
- Dorsal Root of Spinal Nerve
- Dura Mater
- Fat in Epidural Space
- Iliolumbar Ligament
- Inferior Articular Process
- Intertransverse Ligaments
- Intervertebral Discs
- L1 (1st Lumbar Vertebra)
- L2 (2nd Lumbar Vertebra)
- L3 (3rd Lumbar Vertebra)
- L4 (4th Lumbar Vertebra)
- L5 (5th Lumbar Vertebra)
- Nucleus Pulposus
- Pia Mater
- Posterior Sacroiliac Ligament
- Radiate Ligaments
- Sacroiliac Joint
- Sacrospinous Ligament
- Sacrotuberous Ligament
- Sacrum
- Spinal Ganglion
- Spinous Process
- Subarachnoid Space
- Superior Articular Process
- Supraspinous Ligament
- T1 (1st Thoracic Vertebra)
- T10 (10th Thoracic Vertebra)
- T11 (11th Thoracic Vertebra)
- T12 (12th Thoracic Vertebra)
- T2 (2nd Thoracic Vertebra)
- T3 (3rd Thoracic Vertebra)
- T4 (4th Thoracic Vertebra)
- T5 (5th Thoracic Vertebra)
- T6 (6th Thoracic Vertebra)
- T7 (7th Thoracic Vertebra)
- T8 (8th Thoracic Vertebra)
- T9 (9th Thoracic Vertebra)
- Transverse Process
- Ventral Ramus (Intercostal Nerve)
- Ventral Root of Spinal Nerve
- Vertebral Body
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