human_reference_atlas has part cell of skeletal muscle Homo sapiens extensor carpi radialis longus muscle http://upload.wikimedia.org/wikipedia/commons/7/75/ECR-longus.png extensor carpi radialis longus Wikipedia:Extensor_carpi_radialis_longus_muscle SCTID:244990000 uberon Extensor carpi radialis longus is one of the five main muscles that control movements at the wrist. This muscle is quite long, starting on the lateral side of the humerus, and attaching to the base of the second metacarpal bone (metacarpal of the index finger). [WP,unvetted]. musculus extensor carpi radialis longus NCIT:C52913 AS extensor carpi radialis longus muscle FMA:38494 UMLS:C0224266 UBERON:0001524 MA:0002291 extensor carpi radialis longus muscle EMAPA:36189 extensor carpi radialis muscle Muscle of posterior compartment of forearm