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axilla
The space below the shoulder joint, bounded by:
1) the pectoralis major, anteriorly
2) the latissimus dorsi posteriorly
3) the serratus anterior, medially
4) the humerus laterally.
It has a superior opening between the clavicle, scapula & 1st rib (cervicoaxillary canal), & an inferior opening covered by the axillary fascia.
It contains:
1) the axillary artery & vein
2) the infraclavicular part of the brachial plexus
3) axillary lymph nodes & vessels
4) areolar tissue
Specific
axillary fold
axillary sheath
General
anatomic structure
References
Stedman's Medical Dictionary 26th ed, Williams &
Wilkins, Baltimore, 1995