Medical Dictionary

extensor pollicis brevis

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noun extensor pol·li·cis brev·is \-ˈpäl-ə-səs-ˈbrev-əs, -ˈpäl-ə-kəs-\

Medical Definition of extensor pollicis brevis

  1. :  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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