axillary artery-vein-nerve.ppt
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This document summarizes the anatomy of the axillary artery and its branches, as well as surrounding structures in the axilla. It details the branches of the axillary artery into three parts: the first part gives off the superior thoracic artery, the second part gives off the thoraco-acromial and lateral thoracic arteries, and the third part gives off the subscapular, anterior circumflex humeral, and posterior circumflex humeral arteries. It also describes veins in the axilla like the axillary vein and branches, nerves like the axillary nerve, and other relevant structures.
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1. Parietal lobe (interpretation of language, sensory perception)
2. Parts of the frontal lobe
3. Parts of the temporal lobe
The left sided weakness, greater weakness proximally in the upper limb, and receptive dysphasia are consistent with an ischemic stroke in the right MCA territory. The large parietal lesion seen on CT further localizes the stroke to this region.
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- 3. DPT 1st Semester Dr. Saadia Khattak (PT)
- 5. Subclavian artery lateral border of rib 1 axillary artery inferior margin of teres major brachial artery Pectoralis minor 3 parts of the axillary artery
- 7. First part ◦ Superior thoracic artery Second part ◦ Thoraco-acromial artery ◦ Lateral thoracic artery Third part ◦ Subscapular artery ◦ Anterior circumflex humeral artery ◦ Posterior circumflex humeral artery
- 10. From the anterior surface of the first part of the axillary artery Upper regions of the medial and anterior axillary walls
- 11. From the anterior surface of the second part of the axillary artery Pierces the clavipectoral fascia Four branches ◦ Pectoral Pierces the clavipectoral fascia ◦ Deltoid Accompanies the cephalic vein ◦ Clavicular ◦ Acromial
- 12. Posterior to the inferior margin of pectoralis minor Supplies the medial and anterior walls Supplies breast
- 13. Largest branch of the axillary artery To the posterior wall of the axilla in the posterior scapular region From the posterior surface of the third part of the axillary artery Follows inferior margin of the subscapular artery
- 14. Circumflex Scapular Artery ◦ Enters the infraspinous fossa Thoracodorsal Artery ◦ Follows the lateral border of the scapula to the inferior angle ◦ Vascular supply of the posterior and medial walls of the axilla
- 16. Small compared to the posterior circumflex humeral artery Passes anterior to the surgical neck of the humerus
- 18. Begins at the lower border of the teres major Continuation of the basilic vein ◦ Drains the posteromedial surface of the hand ◦ Penetrates the deep fascia in the middle of the arm Axillary vein Subclavian vein at lateral border of rib 1 Tributaries ◦ Brachial veins ◦ Cephalic vein
- 20. Also called as Circumflex Nerve Exits the axilla through the quadrangular space Innervates the deltoid and teres minor Superior lateral cutaneous nerve of the arm passes through the quadrangular space Accompanied by the posterior circumflex humeral artery Fracture of the surgical neck of the humerus can lead to the damage of the axillary nerve(as a result atrophy of deltoid and teres minor can occur)