英语释义
1. a muscle of the hand that abducts the little finger and flexes the phalanx nearest the hand
2. a slender muscle on the medial side of the extensor digitorum communis that extends the little finger
3. a muscle of the ulnar side of the palm of the hand that flexes the little finger
4. a triangular muscle of the hand that arises from the hamate and adjacent flexor retinaculum, is inserted along the ulnar side of the metacarpal of the little finger, and functions to abduct, flex, and rotate the fifth metacarpal in opposing the little finger and thumb