page_title: Triangular interval
hierarchical_section_title: Triangular interval
caption_attribution_description: The scapular and circumflex arteries.
context_page_description: The triangular interval 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.
context_section_description: 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.
caption: The scapular and circumflex arteries. (Triangular interval is visible but not labeled.)
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