Triangular Space

The triangular space (medial axillary space, lat. foramen omotricipitale) is bounded by the teres minor superiorly, the teres major inferiorly, and the long head of the triceps brachii laterally.

It contains the scapular circumflex vessels (axillary artery – subscapular artery – scapular circumflex artery).

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 * Quadrangular Space