: a muscle that arises dorsolaterally from the middle part of the ulna, extends the second phalanx of the thumb, and abducts the hand
Dictionary Entries Near extensor pollicis longus
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“Extensor pollicis longus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extensor%20pollicis%20longus. Accessed 19 Apr. 2024.
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