Radial collateral ligament (thumb)
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| Ligament: Radial collateral ligament (thumb) | ||
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| Ligaments of wrist. Anterior view. (Radial collateral visible at left.) | ||
| Latin | ligamentum collaterale carpi radiale | |
| Gray's | subject #86 328 | |
| From | radial styloid process | |
| To | lateral scaphoid and trapezium | |
| Dorlands/Elsevier | l_09/12491922 | |
The radial collateral ligament (external lateral ligament, radial carpal collateral ligament) extends from the tip of the styloid process of the radius and attaches to the lateral side of the scaphoid (formerly Navicular bone of the hand), immediately adjacent to its proximal articular surface and some fibres extend to the lateral side of the trapezium (greater multangular bone).
It is in relation with the radial artery, which separates the ligament from the tendons of the Abductor pollicis longus and Extensor pollicis brevis.
The radial collateral ligament's role is to limit ulnar deviation at the wrist.
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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 As such, some of the information contained herein may be outdated.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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