Arches Flashcards
0
Q
1st arch muscles
A
Mastication
- Temporal
- Masseter
- medial pterygoid
- lateral pterygoid
4 others
- mylohyoid
- anterior belly of the digastric
- tensor palatine
- tensor tympani
1
Q
1st arch nerve
A
Trigeminal (maxillary [CN V2] and mandibular [CN V3] divisions)
2
Q
1st arch skeleton
A
Premaxilla Maxilla Part of the temporal Meckel's cartilage - mandible - malleus - incus - anterior ligament of the malleus Sphenomadibular ligament
3
Q
1st pharyngeal pouch
A
Tympanic cavity
Auditory (eustachian) tube
4
Q
2nd arch nerve
A
Facial (CN 7)
5
Q
2nd arch muscles
A
Muscles of facial expression
- buccinator
- auricularis
- frontalis
- platysma
- orbicularis oris
- orbicularis oculi
3 others
- posterior belly of digastric
- stylohyoid
- stapedius
6
Q
2nd arch skeleton
A
Stapes
Styloid process
Stylohyoid ligament
Lesser horn and upper portion of the body of the hyoid bone
7
Q
2nd pharyngeal pouch
A
Palatine tonsils
Tonsillar fossa
8
Q
3rd arch nerve
A
Glossopharyngeal
11
Q
3rd arch muscles
A
Stylopharyngeus
12
Q
3rd arch skeleton
A
Greater horn and lower portion of the hyoid bone
13
Q
3rd pharyngeal pouch
A
Inferior parathyroid gland
Thymus
15
Q
4-6 arch nerve
A
Vagus
- superior laryngeal branch (nerve to 4th arch)
- recurrent laryngeal branch (nerve to 6th arch)
16
Q
4-6 arch muscle
A
4th - cricothyroid - levator palatine - constrictors of the pharynx 6th - intrinsic muscles of the larynx
17
Q
4-6 arch skeleton
A
Laryngeal cartilages
- thyroid
- cricoid
- arytenoid
- corniculate
- cuneiform
