Vertebral column
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history
The vertebral column, also known as the backbone or spine, is part of the axial skeleton. The vertebral column is the defining characteristic of a vertebrate in which the notochord (a flexible rod of uniform composition) found in all chordates has been replaced by a segmented series of bone: vertebrae separated by intervertebral discs.[1] The vertebral column houses the spinal canal, a cavity that encloses and protects the spinal cord.
