human_reference_atlas has part cell of skeletal muscle Homo sapiens extensor pollicis longus muscle http://upload.wikimedia.org/wikipedia/commons/3/3e/Extensor_pollicis_longus_muscle.png extensor pollicis longus The Extensor pollicis longus is much larger than the Extensor pollicis brevis muscle, the origin of which it partly covers. extensor pollicis longus muscle SCTID:361820003 EMAPA:36196 FMA:38521 Wikipedia:Extensor_pollicis_longus_muscle extensor pollicis longus muscle musculus extensor pollicis longus uberon UBERON:0003234 extensor pollicis longis AS extrinsic extensor muscle of manus Muscle of posterior compartment of forearm