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Fig. 1. Expression of fast myosin heavy chain (MyHC; A,D,G), fast myosin binding
protein C (B,E,H), and fast tropomyosin (C,F,I) in trout larvae. Transverse
sections through the myotome at 27 (AC), 41 (DF) and 50
(GI) days post-fertilisation. Fast isoform transcripts initially
present throughout the whole fast muscle mass (AC) become confined to
the edges of adjacent myotomes (DI). Scale bars, 200 µm.