Anterior spinal artery (Arteria spinalis anterior)
Educational content only — not medical advice.
Anatomy
A single longitudinal midline artery descending in the anterior median fissure of the spinal cord, formed rostrally by branches of both vertebral arteries and reinforced by radicular arteries.
Clinical notes
Occlusion causes anterior spinal cord syndrome: acute flaccid paraplegia and loss of pain/temperature sensation below the lesion with preserved dorsal column vibration and position sense.
Related structures
Educational references
FAQ
What is the role of the Anterior spinal artery?
A single longitudinal midline artery descending in the anterior median fissure of the spinal cord, formed rostrally by branches of both vertebral arteries and reinforced by radicular arteries.
Why is the Anterior spinal artery clinically important?
Occlusion causes anterior spinal cord syndrome: acute flaccid paraplegia and loss of pain/temperature sensation below the lesion with preserved dorsal column vibration and position sense.
Source & license
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