Pharyngeal Arches Flashcards
1
Q
1st arch: mesoderm
A
Muscles of mastication
2
Q
1st arch: cartilage
A
Mandibular process(=Meckle's cartilage)
Malleus and incus
mandible
Maxillary process
Maxilla
3
Q
1st arch: artery
A
None
4
Q
2nd arch: cranial nerve
A
Facial (VII)
5
Q
2nd arch: mesoderm
A
Muscles of facial expression
6
Q
2nd arch: cartilage
A
Reichart’s cartilage:
Stapes
Styloid process of temporal bone
Lesser Cornu and upper body of hyoid bone
7
Q
2nd arch: artery
A
None
8
Q
3rd arch: cranial nerve
A
Glossopharyngeal (IX)
9
Q
3rd arch: cartilage
A
Remainder of hyoid bone ( not lesser Cornu and upper body)
10
Q
3rd arch: artery
A
Internal carotid
11
Q
4th arch: cranial nerve
A
Vagus: superior laryngeal
12
Q
6th arch: cranial nerve
A
Vagus: recurrent laryngeal nerve
13
Q
4th and 6th arch: mesenchyme
A
Epiglottis
14
Q
4th and 6th arch: cartilage
A
Thyroid cartilage
Arytenoid cartilage
cricoid cartilage
15
Q
4th arch: artery
A
Arch of aorta and brachiocephalic
