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Definition of Musculus abductor digiti minimi manus
1. Noun. The abductor muscle of the little finger.
Medical Definition of Musculus abductor digiti minimi manus
1. 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. Synonym: musculus abductor digiti minimi manus, abductor muscle of little finger, musculus abductor digiti quinti. (05 Mar 2000)