Aortic Arch Derivatives

Question 1

aortic arch 1

Answer 1

ass w pharyngeal arch 1
associated w CN V
associated with maxillary a

Question 2

aortic arch 2

Answer 2

ass w pharyngeal arch 2
associated with CN VII
ass with stapedial artery (regresses)

Question 3

aortic arch 3

Answer 3

ass with pharyngeal arch 3
ass with CN IX
ass with common carotid ad proximal internal carotid a

Question 4

aortic arch 4

Answer 4

ass with pharyngeal arch 4
ass with superior laryngeal branch of vagus n (CN X)

ass with True Aortic Arch and subclavian arteries

Question 5

aortic arch 5

Answer 5

ass w pharyngeal arch 5 - everything from 5 is obliterated, no ass a

Question 6

aortic arch 6

Answer 6

ass with pharyngeal arch 6
ass with recurrent laryngeal branch of vagus (CN X)

ass with pulmonary arteries and ductus arteriosus