Aortic Arches

Question 1

Aortic Arch 1 right side derivatives

Answer 1

maxillary artery

most of arch regresses

Question 2

Aortic Arch 1 left side dervicatives

Answer 2

maxillary artery. Most of arch regresses

Question 3

Aortic Arch 2 right side derivatives

Answer 3

hyoid and stapedial arteries. most of arch regresses

Question 4

Aortic Arch 2 left sid e derviatives

Answer 4

hyoid and stapedial arteries. most of arch regresses

Question 5

Aortic Arch 3 right side derivatives

Answer 5

proximal region-common carotid artery. Distral region - internal carotide artery

Question 6

Aortic Arach 3 Left side derviatives

Answer 6

proximal region - common carotide artery

distal region - internal carotid artery

Question 7

Aortic arch 4 right side dervatives

Answer 7

right subclavian artery

Question 8

aortic arch 4 left side dervatives

Answer 8

portion of aortic arch

Question 9

aortic arch 6 right side dervatives

Answer 9

portion of the right pulmonary artery. distral region regresses

Question 10

aortic arch 6 left side dervatives

Answer 10

proximal portion of left pulmonary artery

distal region ductus arterious

Question 11

5th arch

Answer 11

disappears as does 5th pharyngeal arch.