Stack #56574
| Description: | Ch 4 Wallace Shape Distortion |
| Category: | Radiology |
| Created by: | amynae on 2006-11-19 |
| Stack ID: | 56574 |
| Flap 1 | Flap 2 |
| Three types of shape distortion | foreshortening, elongation, and spatial distortion |
| the photon in the exact center of the beam is called the | central ray |
| foreshortening occurs when | the object is angled but the central ray remains perependicular to the film |
| Elongation occurs when the object is _________to the film but the central ray is _________. | parallel, angled |
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