Medical Dictionary

spinal artery


Medical Definition of spinal artery

  1. :  any of three arteries that supply the spinal cord and its membranes and adjacent structures:a:  a single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord—called also anterior spinal arteryb:  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—called also posterior spinal artery

Seen and Heard

What made you want to look up spinal artery? Please tell us where you read or heard it (including the quote, if possible).


feeling or affected by lethargy

Get Word of the Day daily email!