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Medical Dictionary

extensor pollicis longus

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noun extensor pollicis lon·gus \-ˈlȯŋ-gəs\

Medical Definition of extensor pollicis longus

  1. :  a muscle that arises dorsolaterally from the middle part of the ulna, extends the second phalanx of the thumb, and abducts the hand



Illustration of extensor pollicis longus


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