posterior spinal artery

posterior spinal artery

English

Noun

posterior spinal artery (plural posterior spinal arteries)

1. (anatomy) 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.

   Coordinate term: anterior spinal artery

Translations

branch of a vertebral artery

Chinese: Mandarin: 脊髓後動脈／脊髓后动脉 (jǐsuǐhòudòngmài)

See also

• basilar artery
• posterior inferior cerebellar artery

References

• “spinal artery”, in Merriam-Webster Online Dictionary