Read the following two papers:
Short overview of Structural Infornmatics, originally appeared in Academic 
  Medicine:
  http://sig.biostr.washington.edu/overview/si.html
Overview of the Digital Anatomist Information system being developed by the Structural Informatics Group: http://sig.biostr.washington.edu/share/pubs/cga99/
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  For your interest, you may also want to look at our home page
  http://sig.biostr.washington.edu/index.html
and our demos page, which has live versions of some of the stuff I showed today:
  http://sig.biostr.washington.edu/products/demos/
Jim