First Part of Axillary Artery

Question 1

Where?

Answer 1

This extends from the lateral border
of the first rib to the upper border of
the pectoralis minor

Question 2

Anteriorly

Answer 2

The pectoralis major
and the skin. The cephalic vein
crosses the artery

Question 3

Posteriorly

Answer 3

The long thoracic nerve (nerve to the serratus anterior)

Question 4

Laterally

Answer 4

The three cords of the brachial plexus

Question 5

Medially

Answer 5

The axillary vein