A 3-day-old newborn was born with ectopia cordis. Despite the efforts of doctors at the pediatric intensive care unit the infant died from cardiac failure and hypoxemia. Which of the following embryologic events is most likely responsible for the development of such conditions?

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Faulty development of the sternum and pericardium, secondary to incomplete fusion of the lateral folds

Answer

Interruption of third pharyngeal arch development

Answer

Interruption of fourth pharyngeal arch development

A 3-day-old newborn was born with ectopia cordis. Despite the efforts of doctors at the pediatric intensive care unit the infant died from cardiac failure and hypoxemia. Which of the following embryologic events is most likely responsible for the development of such conditions?

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