Quadrangular Space

Borders
The quadrangular space is bounded by the teres minor above, the teres major below, the long head of the triceps brachii medially, and the surgical neck of the humerus laterally

Content

 * posterior humeral circumflex artery from axillary artery)
 * posterior humeral circumflex vein
 * axillary nerve.

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 * Triangular space