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Flashcards in Aortic Arch Derivatives Deck (6)
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What do aortic arches develop into (in general)

arterial system


1st aortic arch

maxillary artery
(branch of external carotid)

Mnemonic : 1st is Maximal


2nd aortic arch

Stapedial artery and hyoid artery

Mnemonic: Second= Stapedial


3rd aortic arch

Common Carotid artery and proximal part of internal Carotid artery

C= 3rd letter of the alphabet
(Coom Carotid, and internal Carotid ( 3 c's))


4th aortic arch

on the left: aortic arch

on the right: proximal part of right subclavian artery ( R. recurrent laryngeal n.)

Mnemonic: 4th arch (4 limbs) = SYSTEMIC


6th aortic arch

proximal part of Pulmonary arteries (on left)

on right: ductus arteriousus (turns into ligamentum areriosum shortly after birth) -- L. recurrent laryngeal n.

mnemonic: 6th arch = pulmonary and the pulmonary to systemic shunt