Pharyngeal Arches

Question 1

What are the key structures from Arch 1

Answer 1

Maxillary Bone

Mandibular Bone

Muscles of mastication

Malleus and Incus

Trigeminal Nerve

Question 2

What are the key structures from Arch 2

Answer 2

Facial Nerve

Stapes

Question 3

What are the key structures from Arch 3

Answer 3

Superior Hyoid

Glossopharyngeal Nerve

Stylopharyngeus

Internal Carotid

Question 4

What are the key structures from Arch 4

Answer 4

Vagus Nerve (superior)

Palato and salpingopharyngeus

Aortic Arch and right subclavian

Question 5

What are the key structures from Arch 4/6

Answer 5

Vagus

Question 6

What are the key structures from Arch 6

Answer 6

Pulmonary Artery

Ductus Arteriosus

Vagus nerve (recurrent)

Question 7

What are the key pouches?

Answer 7

1 - I.A.M

2 - Tonsils

3 - Thymus