Anatomy
·Upper Limb
Axilla
⭐ PREMIUM
The axilla is the pyramidal gateway between the neck/thorax and the upper limb — its walls and contents are a perennial exam favourite.
BOUNDARIES (a truncated pyramid)
• Apex (cervico-axillary canal): bounded by the clavicle, 1st rib, superior border of scapula — the route for vessels/nerves.
• Base: skin and fascia of the armpit.
• Anterior wall: pectoralis major + minor, subclavius.
• Poster…
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