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Dorsal view of the hand showing the extensor musculature: (A) Litoria caerulea, right hand. (B) Phyllomedusa sauvagii, left hand. Abbreviations: e.c.l., m. extensor communis longus; e.b.s., m. extensor brevis superficialis; e.b.m., m. extensor brevis medius; delt.p.sc., m. deltoideus pars scapularis; t.b., m. triceps brachii; add.i.l., m. adductor indicis longus; epic., m. epicondylo-cubitalis. Scale bars=5mm.
