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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allowing a liquid or gas to pass through

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