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Abductor muscle of little finger --> abductor digiti minimi muscle of 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.

Synonym: musculus abductor digiti minimi manus, abductor muscle of little finger, musculus abductor digiti quinti.