Vertebral arch

From Wikipedia, the free encyclopedia

Bone: Vertebral arch
A typical thoracic vertebra, viewed from above. (Vertebral arch is the bottom half.)
A cervical vertebra. (Vertebral arch is the bottom half.)
Latin	arcus vertebrae
Gray's	subject #20 96

The vertebral arch (or neural arch) is the posterior part of a vertebra.

It consists of a pair of pedicles and a pair of laminae, and supports seven processes:

• four articular processes
• two transverse processes
• one spinous process

[edit] See also

• Body of vertebra
• Spondylolysis

[edit] External links

• vertebral+arch at eMedicine Dictionary

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Bones of torso Sternum Suprasternal notch, Manubrium, Sternal angle, Body of sternum, Xiphisternal joint, Xiphoid process Rib specific ribs (1, 2, 9, 10, 11, 12, false – 8–12, floating – 11–12) – parts (Angle, Tubercle, Costal groove, Neck, Head) Vertebra General structures body of vertebra, vertebral arch (pedicle, lamina, vertebral notch), foramina (vertebral, intervertebral), processes (transverse, articular/zygapophysis, spinous), spinal canal Cervical vertebrae C1 (anterior arch, posterior arch, lateral mass), C2 (dens), C3, C4, C5, C6, C7 anterior tubercle, posterior tubercle, foramen transversarium Thoracic vertebrae T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12 costal facets (superior, inferior, transverse) Lumbar vertebrae accessory process, mammillary process, L5 Sacrum pelvic surface (anterior sacral foramina), dorsal surface (posterior sacral foramina, median sacral crest, medial sacral crest, lateral sacral crest), lateral surface (sacral tuberosity), base, sacral hiatus – presacral space – sacral promontory – sacral canal  – ala of sacrum – sacrovertebral angle Coccyx