(anatomy) Any of three arteries that supply the spinal cord and its membranes and adjacent structures.

Alternative form of Spinal Tap-ian

plural of spinal board

plural of spinal chord

A species of ray found in shallow waters in the Atlantic, taxonomic name Gymnura altavela

A neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting.

(pathology) A medical condition affecting the spine, in which a tear in the outer, fibrous ring of an intervertebral disc allows the soft, central portion to bulge out beyond the damaged outer rings.

a genetically and clinically heterogeneous group of disorders characterized by the degeneration of lower motor neurons and atrophy of muscle groups

plural of spinal muscular atrophy (SMA)

(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.