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Anterior Radicular Artery (Thoracic; Right)
Cardiovascular System

Anterior Radicular Artery (Thoracic; Right)

Arteria radicularis anterioris

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Quick Facts

Origin: Radicular artery.

Course: Accompany the anterior roots of the spinal cord through the intervertebral foramina.

Branches: None.

Supplied Structures: Anterior roots of spinal cord.

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Origin

After the radicular arteries arise from the lateral spinal branches of the vertebral, ascending cervical, intercostal, subcostal, and lumbar arteries, they divide into anterior and posterior branches.

Course

The anterior radicular arteries pass medially to enter the intervertebral foramina at each vertebral level. They accompany the anterior roots of the spinal cord. Most of the anterior radicular arteries are too small to reach as far as the spinal cord itself, or terminate in the pial plexus (Standring, 2020).

Branches

There are no named branches.

Supplied Structures

The anterior radicular arteries supply the anterior roots of the spinal cord.

References

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

Learn more about this topic from other Elsevier products

Radicular Artery

ScienceDirect image

The radicular arteries divide, outside the dura mater, into branches that follow the course of ventral and dorsal roots to supply them.

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Complete Anatomy

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Complete Anatomy