Arterial supply of the neck

Question 1

The neck is mainly supplied by branches of:
* Subclavian Arteries
* External Carotid Arteries

Question 2

SCALENE MUSCLES:
* Attach to transverse processes of cervical vertebrae
ACTION: Neck flexion and ipsilateral lateral neck flexion
Anterior & Middle Scalene:
* Inferior attachment on 1st rib
Posterior scalene
* Inferior attachment on 2nd rib
* Deep/Anterior to levator scapulae M

Question 3

Phrenic N (ventral rami of C3-C5)
* Passes along surface of anterior scalene

Question 4

Roots of brachial plexus (ventral rami of C5-T1)
* Emerge b/w anterior & middle scalene
* Surrounded by axillary sheath

Question 5

Subclavian A
-deep to anterior scalene (supplies upper limb)

Subclavian V
-superficial to anterior scalene

Question 6

SUBCLAVIAN ARTERY: 3 DIVISIONS
1st division (medial to ant. scalene)
* Internal thoracic A
* Vertebral A (cervical transverse foramina to brain)
* Thyrocervical trunk

Question 7

Thyrocervical trunk
-All branches superficial to anterior scalene

Question 8

Branches of the thyrocervical trunk?

Question 9

SUBCLAVIAN ARTERY: 3 DIVISIONS
2nd division (deep to anterior scalene)
* Costocervical trunk
* Dorsal scapular A (variable)
3rd division (lateral to anterior scalene)
* Dorsal scapular A (variable)

Question 10

SUBCLAVIAN ARTERY: 3 DIVISIONS
3rd division (lateral to anterior scalene)
* Dorsal scapular A (variable)

Question 11

External Carotid A Branches

Answer 11

External Carotid A Branches:
Superficial Temporal
Maxillary
Posterior Auricular
Occipital
Facial
Lingual
Ascending Pharyngeal
Superior Thyroid