Pronunciation: ak′sil′ă, ak-sil′ē
Definition: The space below the glenohumeral joint, bounded by the pectoralis major anteriorly, the latissimus dorsi posteriorly, the serratus anterior medially, and the humerus laterally; it has a superior opening between the clavicle, scapula, and first rib (cervicoaxillary canal), and an inferior opening or floor covered by the axillary fascia and skin of the axillary fossa (armpit); it contains the axillary artery and vein, the infraclavicular part of the brachial plexus, axillary lymph nodes and vessels, and areolar tissue.
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