Double aoic arch occurs due to?
Double aoic arch occurs due to persistent distal poion of right dorsal aoa. This will lead to difficulty in breathing and swallowing due to compression of bronchi and esophagus by Right side aoic arch.
Non development of right 4th aoic arch
Non development of left 4th aoic arch
Non divison of truncus aeriosus
Persistent distal poion of right dorsal aoa
Pharyngeal Arches