Medical Definition of Long abductor muscle of thumb
1.
Origin, interosseous membrane and posterior surfaces of radius and ulna; insertion, lateral side of base of first metacarpal bone; action, abducts and assists in extending thumb; nerve supply, radial.
Synonym: musculus abductor pollicis longus, long abductor muscle of thumb, musculus extensor ossis metacarpi pollicis.
(05 Mar 2000)
Lexicographical Neighbors of Long Abductor Muscle Of Thumb
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