atlas atlas English atlas English English view article English English atlas supporting the skull and shielding the spinal cord atlas atlas bone English English English atlas atlas atlas English English English supporting the skull and shielding the spinal cord English atlas bone English English atlas English English atlas http://en.wikipedia.org/wiki/Atlas_(anatomy) atlas English Atlas supporting the skull and shielding the spinal cord C1 English English atlas English atlas atlas English atlas English atlas atlas atlas English English English English English English English atlas C-1 atlas English English atlas atlas English atlas vertebra English