| Artery: Inferior ulnar collateral artery | |
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| Diagram of the anastomosis around the elbow-joint. (Inf. ulnar collateral labeled at center right.) | |
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| Arteries of the back of the forearm and hand. (Inferior ulnar collateral labeled at upper left.) | |
| Latin | arteria collateralis ulnaris inferior |
| Gray's | subject #150 592 |
| Source | Brachial artery |
The inferior ulnar collateral artery (anastomotica magna artery) arises about 5 cm. above the elbow.
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Course
It passes medialward upon the Brachialis, and piercing the medial intermuscular septum, winds around the back of the humerus between the Triceps brachii and the bone, forming, by its junction with the profunda brachii, an arch above the olecranon fossa.
Branches and anastomoses
As the vessel lies on the Brachialis, it gives off branches which ascend to join the superior ulnar collateral: others descend in front of the medial epicondyle, to anastomose with the anterior ulnar recurrent.
Behind the medial epicondyle a branch anastomoses with the superior ulnar collateral and posterior ulnar recurrent arteries.
Additional images
 The brachial artery. |
External links
- Inferior+ulnar+collateral+artery at eMedicine Dictionary
- lesson4arteriesofarm at The Anatomy Lesson by Wesley Norman (Georgetown University)
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 As such, some of the information contained herein may be outdated.
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