Neck triangles Flashcards
1
Q
Carotid sheath contents
A
- common carotid artery
- internal carotid artery
- external carotid artery
- internal jugular vein
- CN X (vagus)
2
Q
suprahyoid muscles
A
- digastric
- mylohyoid
- geniohyoid
- stylohyoid
3
Q
infrahyoid muscles
A
- sternohyoid
- thyrohyoid
- omohyoid
- sternothyroid
4
Q
suprahyoid muscles - function
A
elevate hyoid bone during swallowing
5
Q
mylohyoid function
A
- elevates hyoid bone
- forms floor of oral cavity
6
Q
mylohyoid muscle nerve innervation
A
- CN V3
- nerve to mylohyoid
7
Q
digastric muscle nerve innervation
A
- anterior belly - nerve to mylohyoid
- posterior belly - digastric branch of facial nerve
8
Q
geniohyoid location
A
superior to mylohyoid
9
Q
infra hyoid ‘strap’ muscles - function
A
- depress or fix hyoid bone
- provide attachment for suprahyoid muscles
10
Q
strap muscles innervation (doesn’t include thyrohyoid)
A
- anterior rami of C1 to C3 via ansa cervicalis
11
Q
External carotid artery branches
A
- superior thyroid
- ascending pharyngeal
- occipital
- lingual
- facial
- posterior auricular
- superficial temporal
- maxillary
12
Q
Sternocleidomastoid muscle nerve innervation
A
Spinal accessory nerve CN XI
13
Q
thyrohyoid innervation
A
anterior rami of C1, carried within hypoglossal nerve
14
Q
A