[TA] superficial hypothenar muscle of palm; 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, deep branch of ulnar. SYN: musculus abductor digiti minimi manus [TA], abductor muscle of little finger, musculus abductor digiti quinti (1).
