Narrowing of the right C6-C7 intervertebral foramen refers to a condition where there is a reduction in the space through which the nerve roots pass as they exit the spinal cord at the C6-C7 level. This narrowing can lead to compression of the nerves, resulting in symptoms like pain, numbness, or weakness in the neck, shoulders, arms, or hands. Treatment may involve conservative measures like physical therapy, medication, or injections, while severe cases may require surgery to relieve the compression.
you may find this site useful, i used it myself a few years ago, if i remember correctly they show the symmetries on diagrams for all the point groups and state a crystal structure where these symmetries could be found http://www.phys.ncl.ac.uk/staff/njpg/symmetry/Categorisation.html
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you may find this site useful, i used it myself a few years ago, if i remember correctly they show the symmetries on diagrams for all the point groups and state a crystal structure where these symmetries could be found http://www.phys.ncl.ac.uk/staff/njpg/symmetry/Categorisation.html