Profunda brachii.html |
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| Artery: Profunda brachii | |
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| Diagram of the anastomosis around the elbow-joint. (A. profunda brachii labeled at upper right.) | |
| Latin | arteria profunda brachii |
| Gray's | subject #150 591 |
| Supplies | (deltoid muscle) humerus |
| Source | brachial artery |
| Branches | radial collateral medial collateral branches to the deltoid muscle |
The arteria profunda brachii (also known as deep artery of the arm) is a large vessel which arises from the medial and back part of the brachial, just below the lower border of the Teres major.
Contents |
Course
It follows closely the radial nerve, running at first backward between the medial and lateral heads of the triceps brachii, then along the groove for the radial nerve, where it is covered by the lateral head of the triceps brachii, to the lateral side of the arm; there it pierces the lateral intermuscular septum, and, descending between the brachioradialis and the brachialis to the front of the lateral epicondyle of the humerus, ends by anastomosing with the radial recurrent artery.
Branches and anastomoses
It gives branches to the deltoid muscle (which, however, primarily is supplied by the posterior circumflex humeral artery) and to the muscles between which it lies; it supplies an occasional nutrient artery which enters the humerus behind the deltoid tuberosity.
A branch ascends between the long and lateral heads of the triceps brachii to anastomose with the posterior humeral circumflex artery; the medial collateral artery, a branch, descends in the middle head of the triceps brachii and assists in forming the anastomosis above the olecranon; and, lastly, a radial collateral artery runs down behind the lateral intermuscular septum to the back of the lateral epicondyle of the humerus, where it anastomoses with the interosseous recurrent and the inferior ulnar collateral arteries.
Additional images
 The brachial artery. |
 Arteries of the back of the forearm and hand. |
External links
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 As such, some of the information contained herein may be outdated.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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