释义 |
abductor pollicis brevis (muscle) ab·duc·tor pol·li·cis bre·vis (mus·cle) [TA] superficial thenar muscle origin, tubercle of trapezium and flexor retinaculum; insertion, lateral side of proximal phalanx of thumb; action, abducts thumb; nerve supply, median. Synonym(s): musculus abductor pollicis brevis [TA], short abductor muscle of thumb |