Medical Dictionary
abductor pollicis brevis
noun abductor pol·li·cis brev·is \-ˌpäl-ə-səs-ˈbrev-əs, -ə-kəs-\
Medical Definition of ABDUCTOR POLLICIS BREVIS
: a thin flat muscle of the hand that abducts the thumb at right angles to the plane of the palm
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