Arteries of Proximal Upper Limb

Question 0

Thyrocervical trunk

Answer 0

Anterior surface of first part of subclavian artery
Short trunk->two branches: inf. thyroid artery and cervicodorsal trunk
cervicodorsal->suprascapular and dorsal scapular arteries

Question 1

Internal Thoracic

Answer 1

Inf. surface of first part of subclavian artery

Question 2

Suprascapular

Answer 2

Thyrocervical

Inferolaterally crossing ant. scalene, phrenic nerve, subclavian artery, and brachial plexus, running next to clavicle.

Question 3

Superior Thoracic

Answer 3

First part of axillary artery
Along sup. border of pectoralis minor, passes between minor and major to thoracic wall; helps supply 1st and 2nd intercostal spaces and sup. part of serratus anterior

Question 4

Thoraco-acromial

Answer 4

Second part of axillary artery