Medical Definition of Extensor pollicis longus
1.
Origin, posterior surface of ulna; insertion, base of distal phalanx of thumb; action, extends distal phalanx of thumb; nerve supply, radial.
Synonym: musculus extensor pollicis longus, long extensor muscle of thumb, musculus extensor longus pollicis.
(05 Mar 2000)
Lexicographical Neighbors of Extensor Pollicis Longus
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