part of part of has muscle insertion has muscle insertion has muscle antagonist Homo sapiens muscle of manus abductor pollicis longus manus adductor pollicis muscle http://upload.wikimedia.org/wikipedia/commons/d/df/Musculusadductorpollicis.png Wikipedia:Adductor_pollicis_muscle musculus adductor pollicis SCTID:181649004 adductor digiti primi UBERON:0002962 FMA:37380 EMAPA:36213 adductor pollicis A muscle in the manus that functions to adduct the thumb. It has two heads: transverse and oblique. It is a fleshy, flat, triangular, and fan-shaped muscle deep in the thenar compartment beneath the long flexor tendons and the lumbrical muscles at the center of the palm. It overlies the metacarpal bones and the interosseous muscles[WP]. proximal epiphysis of proximal phalanx of manual digit 1 ulnar sesamoid bone abductor pollicis brevis muscle adductor muscle