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Figure 8


Fig. 8. Roles of FGFR1 and FGFR2 in gastrulation and skeletogenesis in sea urchin. (A-D) Control embryos. (E-X) Embryos injected with antisense morpholino oligonucleotides directed against FGFR1 (E-H) or mRNA encoding a dominant-negative form of FGFR1 (I-L) or with antisense morpholino oligonucleotides against FGFR2 (M-T) or co-injected with both FGFR1-Mo and FGFR2-Mo (U-X).