click below
click below
Normal Size Small Size show me how
Axillary Anatomy
Gross Anatomy of the Axillary Region
| Question | Answer |
|---|---|
| Axillary Artery Origin | Lateral border of 1st rib as a continuation of the Subclavian |
| Axillary Artery Ending | Ends at Inferior Teres Major border and turns into Brachial artery |
| Axillary Vein | Branches off Basilic vein and continues into Subclavian vein |
| Brachial Plexus Superior Trunk | C5-C6 |
| Brachial Plexus Middle Trunk | C7 |
| Brachial Plexus Inferior Trunk | C8-T1 |
| Brachial Plexus Anterior Division | Supplies Flexor Muscles (anterior UE) |
| Brachial Plexus Posterior Division | Supplies Extensor Muscles (posterior UE) |
| Brachial Plexus Posterior Cord | Posterior divisions of all 3 trunks |
| Brach. Plex. Lateral Cord | Anterior divisions of superior and middle trunks |
| Brach. Plex. Medial Cord | Anterior division of inferior trunk |
| Lateral Cord Side Branch | Lateral Pectoral Nerve |
| Lateral Cord Terminal Branches | Musculocutaneous Nerve and Lateral Root of Median Nerve |
| Medial Cord Side Branches | Medial Pectoral Nerve, Medial Brachial Cutaneous Nerve, Medial Antebrachial Cutaneous Nerve |
| Medial Cord Terminal Branches | Ulnar Nerve and Medial Root of Median Nerve |
| Posterior Cord Side Branches | Upper Suprascapular Nerve, Thoracodorsal Nerve, Lower Subscapular Nerve |
| Posterior Cord Terminal Branches | Axillary Nerve and Radial Nerve |
| Other Brachial Plexus Nerves (3) | Long Thoracic Nerve, Suprascapular Nerve, and Nerve to Subclavius |