posterior spinal artery (English, noun)
expansion: posterior spinal artery (plural posterior spinal arteries)
Senses:
topics: anatomy
medicine
sciences
glosses: 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.
Forms:
form: posterior spinal arteries
tags: plural