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Medical Dictionary

axilla

Pronunciation (ak′sil′ă, ak-sil′ē)
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  1. 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. See also: fossa, axillary fossa

Syn: axil, axillary cavity, axillary space, maschale

[L.]

WebMD Medical Reference from "Stedman's Medical Dictionary"

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