Figure 1.

Photograph of the rat mounted on the X-Y-Z rotating platform stage with hind limbs secured and raised into the X-ray source beam. The X-ray source is on the left side of the photograph and the detector and CCD camera are located on the right side of the photograph. The inset figure represents a magnified view looking toward the X-ray source and illustrates the complete shielding of the rodent's body from the X-ray source.