Pharyngeal arches, Pharyngeal pouches, Aortic arches

Question 1

Pharyngeal pouch 1, Aortic arch 1, Pharyngeal arch 1

Answer 1

Pharyngeal arch 1 = maxilla, muscles of mastication
Pharyngeal pouch 1 = Middle ear
Pharyngeal cleft 1 = External ear
Aortic arch 1 = maxillary artery
Assoc. CN: Trigeminal.

Question 2

Pharyngeal pouch 2, Aortic arch 2, Pharyngeal arch 2

Answer 2

Pharyngeal arch 2 = stapedius, facial muscles
Pharyngeal pouch 2 = palatine tonsil
Aortic arch 2 = (stapedial artery)
Assoc. CN: Facial

Question 3

Pharyngeal pouch 3, Aortic arch 3 Pharyngeal arch 3

Answer 3

Pharyngeal arch 3 = stylopharyngeus muscle and hyoid bone
Pharyngeal pouch 3 = thymus and inferior parathyroid
Aortic arch 3 = Common and internal carotids
Assoc. CN: Glossopharyngeal

Question 4

Pharyngeal pouch 4, Aortic arch 4, Pharyngeal arch 4

Answer 4

Pharyngeal arch 4 = pharynx, cricothyroid muscle
Pharyngeal pouch 4 = superior parathyroid
Aortic arch 4 = Subclavian arteries
Assoc. CN: Superior laryngeal (Vagus)

Question 5

Pharyngeal pouch 6, Aortic arch 6, Pharyngeal arch 6

Answer 5

Pharyngeal arch 6 = laryngeal cartilages and muscles
Pharyngeal pouch 6 = larynx (merges with 4)
Aortic arch 6 = Pulmonary artery and ductus arteriosus
Assoc. CN: Recurrent laryngeal (Vagus)