Quadrangular space
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| Quadrangular space | |
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| Suprascapular and axillary nerves of right side, seen from behind. Quadrangular space is the lateral space, labeled in green at center right. Axillary nerve is visible entering it. | |
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| The scapular and circumflex arteries. (Quadrangular space is visible but not labeled. Posterior humeral circumflex artery is visible entering quadrangular space at center right.) | |
| Gray's | subject #149 589 |
The quadrangular space is an axillary space in the arm.
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[edit] Boundaries
It is bounded by:[1]
- above/superior: the Subscapularis and Teres minor (inferior border). Some sources exclude the Teres minor.[2]
- below/inferior: the Teres major (superior border)
- medially: the long head of the Triceps brachii
- laterally: the surgical neck of the humerus
[edit] Contents
It transmits the axillary nerve and posterior humeral circumflex artery.
[edit] Additional images
 Muscles on the dorsum of the scapula, and the Triceps brachii. |
[edit] References
- ^ SUNY Labs 03:04-0101 - "Scapular Region: Quadrangular Space of Scapular Region"
- ^ Adam Mitchell; Drake, Richard; Gray, Henry David; Wayne Vogl (2005). Gray's anatomy for students. Elsevier/Churchill Livingstone, 649. ISBN 0-443-06612-4.
[edit] External links
- 141230158 at GPnotebook
- Duke Orthopedics quadrangular_space
- Photo at umich.edu
- Diagram at wustl.edu
- Photo at tufts.edu
- Photo at ithaca.edu
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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