posterior spinal artery

短语

脊髓后动脉

词形变化

posterior spinal arteries 复数 posterior spinal arteries

释义与例句

n.
  1. 1.

    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.

    脊髓后动脉

    医学