Carotid Triangle: External Carotid Artery Flashcards
1
Q
Origin
A
From CCA at upper border thyroid cartilage (disc between C3 and C4)
2
Q
Course
A
Anteromedial to ICA outside carotid sheath
3
Q
Termination
A
Inside parotid gland behind mandible neck dividing into:
1. Maxillary artery
2. Superficial temporal artery
4
Q
Branches
A
- Superior thyroid artery
- Lingual artery
- Facial artery
- Posterior auricular artery
- Occipital artery
- Maxillary artery
- Superficial temporal artery
5
Q
Branches from anterior aspect (3)
A
- Superior thyroid artery
- Lingual artery
- Facial artery
6
Q
Branches from posterior aspect (2)
A
- Posterior auricular artery
- Occipital artery
7
Q
Branches from medial aspect (1)
A
Ascending pharyngeal artery
8
Q
Terminals (2)
A
- Maxillary artery
- Superficial temporal
9
Q
Relations superficial
A
- 3 muscles
- 2 veins
- 1 nerve
- 1 gland
10
Q
Relations superficial: 3 muscles
A
- Sternomastoid
- Posterior belly digastric
- Stylohyoid
11
Q
Relations superficial: 2 veins
A
- Lingual vein
- Common facial vein
12
Q
Relations superficial: 2 veins
A
- Lingual vein
- Common facial vein
13
Q
Relations superficial: 1 nerve
A
Hypoglossal nerve
14
Q
Relations superficial: 1 gland
A
Parotid with retromandibular vein inside
15
Q
Deep Relations
A
- Parotid gland deep part
- Styloid process with styloglossus and Stylopharyngeus muscles
- Glossopharyngeal nerve
- Pharyngeal branch of vagus
- ICA
- Constrictors of pharynx
1,2,3,4 deep to ECA
Superficial to ICA (between ICA and ECA