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extensor retinaculum


Definition: a strong fibrous band formed as a thickening of the antebrachial deep fascia, stretching obliquely across the back of the wrist, attaching deeply to ridges on the dorsal aspect of the radius, triquetral, and pisiform bones, and binding down the extensor tendons of the fingers and thumb.

Synonym(s): retinaculum musculorum extensorumTA, dorsal carpal ligament, ligamentum carpi dorsale

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.