extensor pollicis longus

noun

extensor pollicis lon·​gus -ˈlȯŋ-gəs How to pronounce extensor pollicis longus (audio)
: a muscle that arises dorsolaterally from the middle part of the ulna, extends the second phalanx of the thumb, and abducts the hand

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Cite this Entry

“Extensor pollicis longus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extensor%20pollicis%20longus. Accessed 25 Feb. 2024.

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