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DVDY_22731_sm_SuppFigS1.tif5216KSupp. Fig. S1. Pattern of Tbx4 expression in the allantois. A–I: Sections from the base (A,D,G), middle (B,E,H), tip (C,F,I) of three additional 8–10 somite stage allantoises hybridized with Tbx4, showing the reproducible staining pattern. Each row contains sections from a single embryo. cv, central vessel; am, amnion; thin line divides allantois from amnion.

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