Axillary Artery

Axillary Artery

Question 1. Describe the axillary artery briefly.
Answer.

Axillary Artery Source and extent

• Axillary Artery is a continuation of the subclavian artery into the axilla.
• Axillary Artery extends from the outer border of the 1st rib to the inferior border of the teres major.

“Understanding the axillary artery through FAQs: Anatomy, branches, and functions explained”

Axillary Artery Parts

It is divided into three parts by the pectoralis minor:

• First part: Proximal to the muscle
• Second part: Deep/behind to the muscle
• Third part: Distal to the muscle

“Importance of studying the axillary artery for medical students: Questions explained”

Axillary Artery Branches

They are six in number:

• The first part gives one branch: the Superior thoracic artery.
• The second part gives two branches: (i) the thoracoacromial artery and (ii) the lateral thoracic artery.
• The third part gives three branches: (i) subscapular artery, (ii) anterior circumflex humeral artery, and (iii) posterior circumflex humeral artery.

“Factors influencing success with axillary artery studies: Q&A”

Axillary Artery Applied Anatomy

The axillary artery can be effectively compressed against the upper part of the shaft of the humerus (the lower part of the lateral wall of the axilla).