abductor digiti minimi muscle of hand
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ab·duc·tor di·gi·ti mi·ni·mi mus·cle of hand
(ab-dŭk'tŏr dij'i-tī min'i-mī mŭs'ĕl hand)Origin, pisiform bone and pisohamate ligament; insertion, medial side of base of proximal phalanx of the little finger; action, abducts and flexes little finger; nerve supply, ulnar.