Vertebral Arch Anatomy in 3D | Rolandic Anatomy

The "Ring" that protects the spinal cord. If the two halves of this arch don't join during birth, it's called "Spina Bifida"; a "Laminectomy" is a surgery to remove this arch to "un-pinch" a nerve.

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Related structures

Vertebra L3 Lamina of Vertebral Arch Pars Interarticularis of Vertebral Arch Pedicle of Vertebral Arch Vertebral Body Vertebral Foramen Superior Vertebral Notch Diaphragm (Vertebra L3 Origin)