Triangular space

The triangular space (also known as the medial triangular space, upper triangular space, medial axillary space or foramen omotricipitale) is one of the three spaces found at the axillary space. The other two spaces are the quadrangular space and the triangular interval.

Triangular space
Suprascapular and axillary nerves of right side, seen from behind. The axillary spaces are labeled in green. Triangular space is the medial space.
The scapular and circumflex arteries. (Triangular space is visible but not labeled.)
Anatomical terminology
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