Transverse μCT images of A. nisus wing stained in a ∼3% (w/v) iodine-buffered formalin solution for 25 days showing hard and soft tissue elements of the brachial region (A), antebrachial region (B), and hand (C). Red arrow shows an area of low attenuation corresponding to the internal tendon of FCU (6). Scale bar equal to 5 mm. 1, BB; 2, ST; 3, HT; 4, DMA; 5, TPLA; 6, FCU; 7, FDS; 8, PP; 9, FDP; 10, UMV; 11, ELDM; 12, ELA; 13, EDC; 14, ECU; 15, ECTU; 16, EMR; 17, UMD; 18, ISD; 19, ISV; 20, ABDM; 21, ABA; 22, EBA; 23, ADA; 24, HUM; 25, R; 26, U; 27, CMC; 28, fascia; 29, skin. Abbreviations: ABA, abductor alulae; ABDM, abductor digiti majoris; ADA, adductor alulae; BB, biceps brachii; BR, brachialis; CCr, coracobrachialis cranialis; CMC, carpometacarpus; DMA, deltoides major; EBA, extensor brevis alulae; ECTU, ectepicondylo ulnaris; ECU, extensor carpi ulnaris; EDC, extensor digitorum communis; ELA, extensor longus alulae; ELDM, extensor longus digiti majoris; ELDMd, extensor longus digiti majoris pars distalis; EMR, extensor metacarpi radialis; FA, flexor alulae; FCU, flexor carpi ulnaris; FDMI, flexor digiti minoris; FDP, flexor digitorum profundus; FDS, flexor digitorum superficialis; HT, humerotriceps; HUM, humerus; ISD, interosseus dorsalis; ISV, interosseus ventralis; PP, pronator profundus; PS, pronator superficialis; r, radiale; R, radio; ST, scapulotriceps; SU, supinator; TPLA, tensor propatagialis pars longa; U, ulna; u, ulnare; UMD, ulnometacarpalis dorsalis; UMV, ulnometacarpalis ventralis.