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Fig. 6 Embryonic mRNA expression pattern of the zebrafish twist3 gene. All images labeled with the same letter represent the same embryo in different views. All images are oriented with rostral at the top; in all lateral views anterior is to the left. Embryos shown are at the following stages. A: 13 somites; B: 20 somites; C: 24 hpf; D: 36 hpf. A-D: Lateral view; A′-D′: dorsal view of the body; A′-D′: dorsal view of the head region. D′: Tilted profile for better view of the structures. All lateral images are oriented with rostral to the left. ba, branchial and pharyngeal arches; cfb, chb, cmb, neural crest of the fore-, hind-, and midbrain areas; fbv, forebrain blood vessels; hb, hindbrain; lnp, lateral neural plate; lpm, lateral plate mesoderm; mb, midbrain; pfb, pectoral fin bud primordia; tfp, area of the tail fin primordium.