Triangular interval
The triangular interval (also known as the lateral triangular space, lower triangular space, and triceps hiatus) is a space found in the axilla. It is one of the three intermuscular spaces found in the axillary space. The other two spaces are: quadrangular space and triangular space.
| Triangular interval | |
|---|---|
Suprascapular and axillary nerves of right side, seen from behind. Triangular interval is labeled.) | |
The scapular and circumflex arteries. (Triangular interval is visible but not labeled.) | |
| Anatomical terminology |
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