|Aortic arch derivatives|
The mnemonic people use for that is, "First is max" & "Second is Stapedial" =)
|Third arch artery - Aortic arch derivatives embryology mnemonic|
"C for Carotid, C the third letter of the alphabet."
The third arch artery gives off a bud that grows cranially to form the external carotid artery.
The internal carotid artery is derived from the distal part of the third arch artery and cranial most part of the dorsal aorta.
The brachiocephalic trunk is formed by the right horn of the aortic sac.
|Fourth arch artery - Aortic arch derivatives embryology mnemonic|
"fOUR rhymes with AOR for Aorta.
fouRS for Right Subclavian."
The ascending aorta is formed from the truncus arteriosus.
The arch of aorta is derived from the vental part of the aortic sac, it's left horn and the left fourth arch artery.
|Sixth arch artery - Aortic arch derivatives embryology mnemonic|
Mnemonic for sixth arch artery:
Well, this is lame but the letter 6 looks like lungs to me =D
Pulmonary trunk is derived from truncus arteriosus.
|Subclavian artery - Aortic arch derivatives embryology mnemonic|
"7 is S."
Seventh InterSegmental Subclavian!
The right subclavian artery is derived from the right fourth arch artery and right seventh cervical intersegmental artery.
On the left side, the subclavian is derived entirely from the seventh cervical intersegmental artery.
Hope you had fun learning ^__^