Reference: Aortic Arch Derivatives
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| Aortic Arch | Adult Derivative |
|---|---|
| First | Part of maxillary artery |
| Second | Hyoid artery Stapedial artery |
| Third | Common carotid artery Proximal internal carotid artery |
| Fourth | On left: Aortic arch On right: Proximal right subclavian artery |
| Sixth | Proximal pulmonary arteries On left: Ductus arteriosus |
Mnemonics & Tips
- 1st arch: 1st is Max (Maxillary).
- 2nd arch: Second = Stapedial & Stylohyoid (Hyoid).
- 3rd arch: C is 3rd letter = Carotid (Common/Internal).
- 4th arch: 4 limbs of the Arch (Aortic Arch) & Subclavian.
- 6th arch: Sixth = Several pulmonary arteries & Ductus.