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Axilla - Coggle Diagram
Axilla
boundaries
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roof - clavicle, scapula, 1st rib
anterior - pectorals, subclavius and fascia
posterior wall - teres major, lat, subscap, triceps brachii (long head)
contents
vessels
axillary vein
formed from basilic, brachial and cephalic veins
basilic vein drains postero-medial superficial forearm and hand, becomes axillary when crosses teres major, receives contributions from brachial veins
cephalic vein drains lateral superficial forearm and hand, pierces clavipectoral fascia to drain into axillary vein
anterior to axillary artery, becomes subclavian vein at lateral border of 1st rib
axillary artery
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3rd part - subscapular, anterior and posterior circumflex humeral branches
lymphatics
lymph from upper limb, ant and post thoracic wall, lateral breast tissue upper back, lower neck and shoulder
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20-30 nodes in 5 groups
humeral, pectoral, subscapular, central, apical
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