Axillary Artery Flashcards
Where does the axillary artery begin
at the lateral/outer border of the 1st rib as the continuation of the subclavian artery
Where does it end
at the inferior or lower border of the teres major muscle, where it continues as a the brachial artery.
What does the axillary artery continue as
The brachial artery
How many segments does the axillary artery have
3 segments
What divides the axillary artery into segments
It is the pectoralis minor muscle
What is the first segment
1 branch and that is the SUPERIOR THORACIC ARTERY
Where does the superior thoracic artery supply
It’s supplies the first two intercostal spaces
What’s in the 2nd segment of the artery
2 branches
They are
Thoracoacromial artery
Lateral thoracic artery
What’s in segment 3
3 branches
Subscapular artery
Posterior humeral circumflex artery
Anterior humeral circumflex artery
What other branches do the subscapular artery
Circumflex scapular artery
Thoracodorsal artery
Where are parts or segment of the axillary artery
First part above the pectoralis minor muscle
Second part behind the pectoralis minor muscle.
Third part below the pectoralis minor muscle.
