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Prelaminar Arterial Branches (Left)
Cardiovascular System

Prelaminar Arterial Branches (Left)

Rami arteriosus prelaminares

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Quick Facts

Origin: Spinal branches.

Course: Pass medially within the vertebral canal.

Branches: None.

Supplied Structures: Vertebral arch, the ligamenta flava, and the adjacent dura and epidural tissues.

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Origin

The prelaminar arterial branch is one of three branches of the spinal arteries, the others are the radicular and postcentral arteries (Standring, 2020).

Course

The prelaminar arterial branch follows the inner surface of the lamina of the vertebral arch.

Branches

There are no named branches; however, the prelaminar arterial branch does form an anastomotic plexus with its adjacent fellow vessels on the posterior wall of the vertebral canal.

Supplied Structures

The prelaminar arterial branch supplies the laminae of the vertebral arch, the ligamenta flava, and the adjacent dura and epidural tissues (Standring, 2020).

References

Standring, S. (2020) Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd edn.: Elsevier Health Sciences.

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