Radial collateral ligament (thumb)
- Radial collateral ligament (thumb)
Infobox Ligament
Name = Radial collateral ligament (thumb)
Latin = ligamentum collaterale carpi radiale
GraySubject = 86
GrayPage = 328
Caption = Ligaments of wrist. Anterior view. (Radial collateral visible at left.)
Caption2 =
From = radial styloid process
To = lateral scaphoid and trapezium
System =
Precursor =
MeshName =
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DorlandsPre = l_09
DorlandsSuf = 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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