Arch of aorta develops from:
Ans. B. Left 4th aortic archThe aortic arch is the connection between the ascending and descending aorta, and its central part is formed by the left 4th aortic arch during early development
Right 4th aortic arch
Left 4th aortic arch
Right 6th aortic arch
Left 6th aortic arch
Embryology