system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 10-day-old male newborn is brought to the physician by his mother because of difficulty feeding and frequent nonbilious vomiting. His stool is soft and yellow-colored. The pregnancy was complicated by polyhydramnios and results from chorionic villus sampling showed a 47, XY, +21 karyotype. Physical examination shows mild abdominal distention and normal bowel sounds. An x-ray of the abdomen with oral contrast is shown. The most likely cause of his condition is due to a defect in which of the following embryologic processes?
assistant
Rotation of the ventral pancreatic bud