Aortic Arch Derivatives

Question 1

1st Aortic Arch

Answer 1

Part of maxillary artery (branch off external carotid)

1 is “maximum”

Question 2

2nd Aortic Arch

Answer 2

Stapedial artery and hyoid artery

Second = stapes

Question 3

3rd Aortic Arch

Answer 3

Common carotid and proximal internal carotid

C = carotid (C is third letter of alphabet)

Question 4

4th Aortic Arch

Answer 4

On left … Aortic Arch

On right … proximal right subclavian

Question 5

6th Aortic Arch

Answer 5

Proximal pulmonary arteries and ductus arteriosus on left