Spinal artery



spinal artery n.

An artery with origin in the vertebral artery, with distribution to the spinal cord and the pia mater, and with anastomoses to the branches of the intercostal and lumbar arteries; anterior spinal artery.

An artery with origin in the vertebral artery, with distribution to the medulla, spinal cord, and pia mater; and with anastomoses to the spinal branches of the intercostal arteries; posterior spinal artery.

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