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Whole-mount gfp in situ hybridization (Aa, and Ba, lateral views) of Tg(pbin7Lef-dGFP) embryos at stage 24–25 (A) and stage 40 (B). For each stage, transverse sections are shown (Ab-n and Bb-p). The different levels of sections are indicated in panels a. bi: blood islands; ot: otic vesicle. PSM: posterior presomitic mesoderm.
