Ductus aeriosus is derived from which aoic arch?
Correct Answer: VI
Description: On the right side, the proximal pa of sixth aoic arch becomes the proximal segment of the right pulmonary aery. The distal poion of this arch loses its connection with the dorsal aoa and disappears. On the left, the distal pa persists during intrauterine life as the ductus aeriosus. Ref: Langman's embryology 11th edition Chapter 12.
Category:
Anatomy
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