A 3-Day-Old Boy Is Brought to the ER Owing to Poor

A 3-day-old boy is brought to the ER owing to poor feeding, emesis, and lethargy over the previous 24 hours. The patient was born to a 30-year-old lady who had a normal pregnancy by straightforward spontaneous vaginal birth. The boy was released from the newborn nursery yesterday and was solely nursing until the beginning of symptoms. While he was in the newborn nursery, his stool and urine production were typical. The patient is awake and normal in blood pressure, but tachycardic and tachypneic. He seems dehydrated, with a swollen belly. During the examination, the patient vomits, and the vomitus is depicted in the display. On laparotomy, fibrous bands are seen extending from the cecum and right colon to the retroperitoneum, causing extrinsic compression of the duodenum.  Which of the following embryologic processes most likely failed in this patient?

A) Failure of gut recanalization
B) Fusion of the ventral and dorsal pancreatic buds
C) Midgut rotation around the superior mesenteric artery
D) Neural crest cell migration into the bowel wall
E) Obliteration of the omphalomesenteric duct

Correct Answer:

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