Medical Definition of Extensor carpi ulnaris
1.
Origin, lateral epicondyle of humerus (humeral head) and oblique line and posterior border of ulna (ulnar head); insertion, base of fifth metacarpal bone; action, extends and abducts wrist ulnarward; nerve supply, radial (posterior interosseous).
Synonym: musculus extensor carpi ulnaris, ulnar extensor muscle of wrist.
(05 Mar 2000)
Lexicographical Neighbors of Extensor Carpi Ulnaris
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