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.

Boundaries

It has the following boundaries: * Inferior: the superior border of the teres major; * Lateral: the long head of the

triceps The triceps, or triceps brachii (Latin for "three-headed muscle of the arm"), is a large muscle on the ventral, back of the upper limb of many vertebrates. It consists of three parts: the medial, lateral, and long head. All three heads cross the ...

; * Superior: Teres minor For the superior border, some sources list the teres minor, while others list the

subscapularis The subscapularis is a large triangular muscle which fills the subscapular fossa and inserts into the lesser tubercle of the humerus and the front of the capsule of the Glenohumeral joint, shoulder-joint. Structure The subscapularis is covere ...

It contains the scapular circumflex vessels. Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space. Gray412-spaces

References

External links

Diagram at microsurgeon.org

*
Photo at ithaca.edu
* Upper limb anatomy {{Portal bar, Anatomy

Boundaries

Contents

See also

References

External links