The ridge-shaped grey matter of the spinal cord that extends longitudunally through the center of each half of the spinal cord, and are largely or entirely composed of nerve cell bodies and their dendrites and some supportive tissue. [ MP:0008503 ]

Synonyms: gray substance of spinal cord spinal cord grey substance grey substance of spinal cord gray matter of spinal cord spinal cord grey matter substantia grisea medullae spinalis grey matter of spinal cord spinal cord gray matter

This is just here as a test because I lose it