Vertebral arch

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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:

External links

General structures	body of vertebra vertebral arch (pedicle, lamina, vertebral notch) foramina (vertebral, intervertebral) processes (transverse, articular/zygapophysis, spinous) spinal canal

Cervical vertebrae	Uncinate process of vertebra Transverse foramen Anterior tubercle Carotid tubercle Posterior tubercle C1 (lateral mass, anterior arch, posterior arch) C2 (dens) C3 C4 C5 C6 C7

Thoracic vertebrae	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 costal facets (superior, inferior, transverse) Uncinate process of vertebra

Lumbar vertebrae	L1, L2, L3, L4, L5 processes (accessory, mammillary)

Sacrum	Base: sacral promontory ala of sacrum Lateral surface: sacral tuberosity pelvic surface (anterior sacral foramina) Dorsal surface: posterior sacral foramina median sacral crest medial sacral crest lateral sacral crest sacral canal (sacral hiatus)

Coccyx	Coccygeal cornu

Rib	specific ribs (1, 2, 9, 10, 11, 12, true – 1–7, false – 8–12, floating – 11–12) parts (Angle, Tubercle, Costal groove, Neck, Head)

Sternum	Suprasternal notch Manubrium Sternal angle Body of sternum Xiphisternal joint Xiphoid process

Thoracic cage	Superior thoracic aperture Inferior thoracic aperture Intercostal space Costal margin Infrasternal angle

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