Axillary Artery

Question 0

First part of the axillary artery

Answer 0

located between the lateral border of the 1st rib and the medial border of the pectoralis minor.

has a branch: superior thoracic artery

Question 1

Where does the axillary artery begin?

Answer 1

at the lateral border of the 1st rib as the continuation of the subclavian artery and ends at the inferior border of the teres major.

Question 2

Second part of the axillary artery

Answer 2

lies posterior to the pectoralis minor and has two branches

thoraco-acrominal artery and lateral thoracic artery.

Question 3

Third part of axillary artery

Answer 3

extends from the lateral border of the pectoralis minor to the inferior border of the teres major and has three branches.

Subscapular artery- largest branch
anteror circumflex humeral artery
posterior circumflex humeral artery

Question 4

Axillary vein

Answer 4

lies distally on the antero-medially side of the axillary artery, with its terminal part antero-inferior to the artery. Vein is formed by accompanying brachial veins and the basilic vein at the inferior border of the teres major. Ends at the lateral border of the 1st rib where its becomes subclavian vein.