ANATOMY – AXILLARY ARTERY
Introduction:
- The axillary artery is a direct continuation of the subclavian artery.
- It begins at the first rib and, at the lower border of the teres major, becomes
the brachial artery.
- Named the axillary artery due to its location.
Course and Location:
- Courses behind the pectoralis major.
- Lies in conjunction with the axillary vein and the medial cord of the brachial
plexus.
Division into Three Parts:
- First Part: Branches into the superior thoracic artery.
- Second Part: Has two branches – the thoracoscopies artery and the lateral
thoracic artery.
- Third Part: Contains three branches – the subscapular artery, the anterior
humeral circumflex artery, and the posterior humeral circumflex artery.
Transition to Brachial Artery:
- After the third part, it leaves the axilla at the lower border of the teres major
and becomes the brachial artery.
Introduction:
- The axillary artery is a direct continuation of the subclavian artery.
- It begins at the first rib and, at the lower border of the teres major, becomes
the brachial artery.
- Named the axillary artery due to its location.
Course and Location:
- Courses behind the pectoralis major.
- Lies in conjunction with the axillary vein and the medial cord of the brachial
plexus.
Division into Three Parts:
- First Part: Branches into the superior thoracic artery.
- Second Part: Has two branches – the thoracoscopies artery and the lateral
thoracic artery.
- Third Part: Contains three branches – the subscapular artery, the anterior
humeral circumflex artery, and the posterior humeral circumflex artery.
Transition to Brachial Artery:
- After the third part, it leaves the axilla at the lower border of the teres major
and becomes the brachial artery.
