Medical Dictionary
Main Entry:
opponens pol·li·cis Pronunciation:
-'päl-&-s&s Function:
noun : a small triangular muscle of the hand that is locatedbelow the abductor pollicis brevis, arises from the trapezium and the flexor retinaculum of the hand, is inserted along the radial side of the metacarpal of the thumb, and functions to abduct, flex,and rotate the metacarpal of the thumb in opposing the thumb and fingers
