posterior spinal artery

noun

Either of two arteries of which one arises from a vertebral artery on each side below the level at which the corresponding branch of the anterior spinal artery arises and which descend on the posterior lateral surface of the spinal cord along a line passing close to the entrance of the dorsal roots to the spinal cord.

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Meanings

nounposterior spinal artery (plural posterior spinal arteries)

plural posterior spinal arteries

  1. anatomyEither of two arteries of which one arises from a vertebral artery on each side below the level at which the corresponding branch of the anterior spinal artery arises and which descend on the posterior lateral surface of the spinal cord along a line passing close to the entrance of the dorsal roots to the spinal cord.

Translations

Chinese Mandarin 脊髓後動脈 /脊髓后动脉
  • 脊髓後動脈 /脊髓后动脉 (jǐsuǐhòudòngmài)branch of a vertebral artery
Cite this entry
APA

posterior spinal artery. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/posterior%20spinal%20artery

MLA

“posterior spinal artery.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/posterior%20spinal%20artery. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “posterior spinal artery,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/posterior%20spinal%20artery.

Source: posterior spinal artery on Wiktionary, CC BY-SA 4.0.