Development of aberrant right subclavian artery (illustration)

Case contributed by Dr Vincent Tatco

This diagram shows the development of an aberrant right subclavian artery.

Case Discussion

An aberrant right subclavian artery develops from the right seventh intersegmental artery and part of right dorsal aorta caudal to the intersegmental artery. This is associated with the disappearance of the segment of the right dorsal aorta cephalad to the intersegmental artery and of the ipsilateral fourth pharyngeal arch artery.

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Case information

rID: 52193
Published: 26th Mar 2017
Last edited: 31st Jan 2019
System: Vascular
Inclusion in quiz mode: Excluded

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