The presentation is extremely large, and will take a long time to load. Please be patient.

Once the presentation is loaded, click on "Project Information" screen to enter interactive mode.

Use sliders on presentation to vary blood flow imaging, bone and skin opacity, and angle of view.

Close this window to exit tool and return to slide show.

This interactive feature, a winner in the Science and Visualization Challenge, requires the Flash plug-in (version 8 or higher), and JavaScript must be enabled in your browser.