Triangular space
| 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.) | |
The triangular space (also known as the medial triangular space,[1] upper triangular space,[2] or medial axillary space or foramen omotricipitale) is an axillary space.
It should not be confused with the triangular interval.
Boundaries
It has the following boundaries:
- Inferior: the superior border of the teres major;
- Lateral: the long head of the triceps;
- Superior: Teres minor or Subscapularis
For the superior border, some sources list the teres minor,[2][3] while others list the subscapularis.[4]
Contents
It contains the scapular circumflex vessels.[5]
Unlike the quadrangular space or the triangular interval, no major nerve passes through the triangular space.
Muscles on the dorsum of the scapula, and the Triceps brachii.
See also
References
- ↑ Photo at tufts.edu
- 1 2 Kyung Won, PhD. Chung (2005). Gross Anatomy (Board Review). Hagerstown, MD: Lippincott Williams & Wilkins. p. 34. ISBN 0-7817-5309-0.
- ↑ Anatomy photo:03:05-0101 at the SUNY Downstate Medical Center - "Triangular Space of Scapular Region"
- ↑ Adam Mitchell; Drake, Richard; Gray, Henry David; Wayne Vogl (2005). Gray's anatomy for students. Elsevier/Churchill Livingstone. ISBN 0-443-06612-4.
- ↑ Wasfi F, Ullah M (1985). "Structures passing through the triangular space of the human upper limb". Acta Anat (Basel). 123 (2): 112–3. PMID 4061026. doi:10.1159/000146049.
External links
- Diagram at microsurgeon.org
- Photo at tufts.edu
- Description at ganfyd.org
- Photo at ithaca.edu
- This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
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