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Figure 3. Expression pattern of n1-src during Xenopus tropicalis primary neurogenesis. In situ hybridization analysis of n1-src mRNA expression using a 19-mer digoxigenin end-labeled antisense probe directed against n1-src-specific sequence. A–D, Early neurula Stage 14 embryos. E, F, Late neurula Stage 19 embryos. A, Dorsal view, anterior to left. B, Lateral view, anterior to the left. C, Anterior view, dorsal to the top. D, Posterior view, dorsal to the top. E, Dorsal view, anterior to the left. F, Anterior view, dorsal to the top; f+mb, presumptive forebrain and midbrain; sc, presumptive spinal cord; bp, blastopore. |