extensor pollicis brevis


extensor pol·​li·​cis brev·​is -ˈpäl-ə-səs-ˈbrev-əs How to pronounce extensor pollicis brevis (audio) -ˈpäl-ə-kəs- How to pronounce extensor pollicis brevis (audio)
: a muscle that arises from the dorsal surface of the radius, extends the first phalanx of the thumb, and adducts the hand

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Cite this Entry

“Extensor pollicis brevis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/extensor%20pollicis%20brevis. Accessed 14 Jun. 2024.

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