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CHAPTER 20  III The Torso  235








































                                  A





































                        B                                                  C

                    Figure 20-33  •  A, Immediate, 30-minute (B), and 30-minute close-up (C) lateral views of the torso of an Amazon parrot after barium
                    administration. Initially, most of the contrast solution accumulates in the crop but eventually moves into the esophagus and then into the
                    ventriculus, where it begins to permeate the food mass.











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           ch020-A02527.indd   235                                                                                    2/11/2008   11:09:07 AM
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