Lamina of the vertebral arch

Lamina of the vertebral arch

Infobox Bone
Name = Lamina of the vertebral arch
Latin = l. arcus vertebrae
GraySubject = 20
GrayPage = 97


Caption = A typical thoracic vertebra, viewed from above. (Lamina labeled at bottom left.)


Caption2 = A cervical vertebra. (Lamina labeled at bottom right.)
System =
Precursor =
MeshName =
MeshNumber =
DorlandsPre = l_02
DorlandsSuf = 12475886
The laminæ are two broad plates directed backward and medially from the pedicles.

They fuse in the middle line posteriorly, and so complete the posterior boundary of the vertebral foramen.

Their upper borders and the lower parts of their anterior surfaces are rough for the attachment of the ligamenta flava.

The name derives from the Latin word "lāmina," which refers to a thin plate, sheet, or layer.


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