aortic arch system what becomes what

Question 1

Aortic Sac becomes

Answer 1

 Ascending Aorta
 Aortic Arch
 Brachiocephalic Artery

Question 2

First Arches become

Answer 2

 Maxillary Artery (portion)

Question 3

Second Arches become

Answer 3

 Stapedial Artery (portion)

Question 4

Third Arches become

Answer 4

 Carotid Arteries

Question 5

Fourth Arches become

Answer 5

 Right – Proximal Right Subclavian Artery

 Left – Aortic arch segment between left carotid and left subclavian artery

Question 6

Fifth Arches become

Answer 6

 Transient and never well-developed

Question 7

Sixth Arches become

Answer 7

 Right –
 Proximal - Proximal right pulmonary artery
 Distal - distal portion disappears
 Left –
 Proximal – Proximal left pulmonary artery
 Distal – Ductus Arteriosus

Question 8

Right Dorsal Aorta becomes

Answer 8

 Portion becomes the right subclavian

Question 9

Left Dorsal Aorta becomes

Answer 9

 Distal aortic arch and descending aorta

Question 10

Right Intersegmental Artery becomes

Answer 10

 Part of right subclavian artery

Question 11

Left Intersegmental Artery becomes

Answer 11

 Left subclavian artery