. The American journal of roentgenology, radium therapy and nuclear medicine . Fig. 2. Case 4103. At two-hour distal one thirdempty; proximal two thirds of stomach full. twenty-five months this patient has the nor-mal health and development for a child ofher age. The findings in this case check vervclosely with the position of the stomach inthe embryo as seen from its first appearanceup to the II mm. stage (Fig. 4). The stom- ach arises as a bulge from the esophagus atabout 5 mm. of development and remains inthis position, above the liver, until after thefetus attains 11 to 15 mm. At this time
. The American journal of roentgenology, radium therapy and nuclear medicine . Fig. 2. Case 4103. At two-hour distal one thirdempty; proximal two thirds of stomach full. twenty-five months this patient has the nor-mal health and development for a child ofher age. The findings in this case check vervclosely with the position of the stomach inthe embryo as seen from its first appearanceup to the II mm. stage (Fig. 4). The stom- ach arises as a bulge from the esophagus atabout 5 mm. of development and remains inthis position, above the liver, until after thefetus attains 11 to 15 mm. At this time thestomach rotates to the left and a diverti-. Fig. 3. Case 4103. Colon filled at twelve hours^. culum appears from the posterior border toform the cardia. As described by Jackson in1909, In the II mm. embryo the cardia liesopposite the third or fourth dorsal segment,^that is above the liver, while in the 17 the two ends of the stomach haveassumed their normal position, that is belowthe liver (Fig. 5). Interpreted in this lightthe stomach in this case occupies the positionin a 9 mm. embryo with two thirds lyingabove the liver and the cardia having rotatedto the right instead of to the left. Following further the embryology of thececum, the normal position of the cecum andappendix in the 95 mm. fetus is in contactwith the liver. We have then, in this case, anarrested development in both ends of thetract, the failure of the cSfdia to rotate tothe left and descend to its normal positionunderneath the liver on the one hand, andthe failure of the cecum to rotate and de-scend from the liver margin to the right iliacfossa. This
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