Aortic Arch Derivatives

Question 1

1st Aortic arch (1)

Answer 1

Part of the MAXILLARY artery (branch of external carotid)

Question 2

2nd aortic arch (2)

Answer 2

1. Stapedial artery

2. Hyoid artery

Question 3

3rd aortic arch (2)

Answer 3

1. Common carotid artery

2. Proximal part of Internal Carotid artery

Question 4

4th aortic arch (2)

Answer 4

Left –> aortic arch

Right –> proximal right subclavian

Question 5

6th aortic arch (2)

Answer 5

1. Proximal pulmonary arteries (pulmonic trunk)

2. Ductus arteriosus (LEFT only)