Anterior spinal artery

Anterior Spinal Artery

The Anterior Spinal Artery is a major artery of the spinal cord. It originates from the vertebral arteries and supplies the anterior two-thirds of the spinal cord. It is a critical component of the circulatory system in the central nervous system.

Anatomy

The Anterior Spinal Artery arises from the vertebral arteries near the base of the brain. It descends in the anterior median fissure of the spinal cord, giving off numerous small branches which penetrate the substance of the cord. It is reinforced by several radicular arteries along its course.

Clinical Significance

Disruption of the Anterior Spinal Artery can lead to Anterior Spinal Artery Syndrome, a condition characterized by loss of motor function and varying degrees of sensory loss below the level of the lesion.

See Also

• Posterior spinal arteries
• Spinal cord
• Vertebral artery
• Anterior Spinal Artery Syndrome

External Links

• Medical Mnemonics

Anterior spinal artery Resources
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