Triangular space

 ( Upper Limb Anatomy ) 

The triangular space (also known as the medial triangular space, Photo at tufts.edu upper triangular space,

medial axillary space or foramen omotricipitale

(2015). 9780702062346, Elsevier Health Sciences. . ISBN 9780702062346

) is one of the three spaces found at the axillary space. The other two spaces are the quadrangular space and the triangular interval.

(2025). 9788123918631, CBS Publishers and Distributors Pvt Ltd. ISBN 9788123918631

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Boundaries It has the following boundaries:

• Inferior: the superior border of the teres major;
• Lateral: the long head of the triceps;
• Superior: Teres minor

For the superior border, some sources list the teres minor, - "Triangular Space of Scapular Region" while others list the subscapularis.

Adam Mitchell (2025). 9780443066122, Elsevier/Churchill Livingstone. ISBN 9780443066122

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Contents

It contains the scapular circumflex vessels.

Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space.

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See also

• Quadrangular space
• Triangular interval

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External links

• Diagram at microsurgeon.org
• Photo at tufts.edu
• Photo at ithaca.edu

Categories: Upper Limb Anatomy

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