Triangular interval
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| Triangular interval | |
|---|---|
| Suprascapular and axillary nerves of right side, seen from behind. Triangular interval is labeled.) | |
 | |
| The scapular and circumflex arteries. (Triangular interval is visible but not labeled.) |
The triangular interval is the space between the long head of the triceps brachii and the humerus, just inferior to the teres major.
The radial nerve and profunda brachii pass through the triangular interval.
Additional images
Gray412-spaces.png
Muscles on the dorsum of the scapula, and the Triceps brachii. |
See also
External links
General anatomy of upper limbs | |
|---|---|
| Arm | Axilla • Axillary sheath • axillary folds (Anterior, Posterior)
spaces (Quadrangular space, Triangular space, Triangular interval) • Clavipectoral triangle compartment of arm (Posterior, Anterior) fascia (Axillary, Brachial) - intermuscular septa (Lateral, Medial) |
| Forearm | Cubital fossa (Bicipital aponeurosis) • Cubital tunnel • common tendons (Extensor, Flexor) • Interosseous membrane of the forearm
compartment of forearm (Posterior, Anterior) fascia (Antebrachial fascia) |
| Hand | posterior: Extensor retinaculum • Extensor expansion • Vincula tendina • Anatomical snuff box
anterior: Flexor retinaculum • Carpal tunnel • Palmar aponeurosis • Ulnar canal • Synovial sheath (Common synovial sheath for the flexor tendons]) Finger |
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
