Table of Contents
Origin of Axillary Artery: Continuation of Subclavian artery
Extent of Axillary Artery: Outer border of 1st rib to Lower border of teres major (terminates as brachial artery)
Relation to Axillary Vein: Lateral to Axillary Vein
3 Parts of Axillary Artery: In relation to Pectoralis Minor muscle
- 1st part: Proximal
- 2nd part: Posterior
- 3rd part: Distal
Branches of Axillary Artery
Mnemonic:
1st part gives 1 branch, 2nd part gives 2 branches and 3rd part gives 3 branches.
Remember: SALt SPAce or Sixties Teens Loves Sex And Pot
- Superior, Acromio- and Lateral thoracic artery
- Subscapular, Posterior circumflex humeral, Anterior circumflex humeral (they run through spaces, i.e. triangular and quadrangular – see below)
Also remember: Teens grow up and die, i.e. Thoraco-acromial artery runs up (superiorly) and gives off 4 branches. “Cadavers Are Dead People” to remember 4 branches of thorac0-acromial artery –
- Clavicular
- Acromial
- Deltoid
- Pectoralis
Also remember: Sex goes down and ends in STd, i.e. Subscapular artery runs inferiorly and gives off 2 branches –
- Scapular circumflex artery
- Thoraco-dorsal artery
1st part: 1 branch
- Superior thoracic artery
2nd part: 2 branches
- Acromio-thoracic artery
- Lateral thoracic artery
3rd part: 3 branches
- Subscapular artery – cirumflex scapular artery travels through triangular space
- Anterior circumflex humeral artery
- Posterior circumflex humeral artery – travels through quadrangular space