Larger Image gnb3 gene expression in Xenopus laevis, NF stage 26 embryo, in situ hybridization, lateral view, anterior left. Copyrighted by Pollet, Nicolas Copyright © CNRS UMR 8080, Nicolas Pollet Image published in: AXELDB Database, AxelDB (Image Pages) Gene Synonyms Species Stage(s) Tissue gnb3.S X. laevis Throughout NF stage 26 cement gland primordium pineal gland brain ectoderm endoderm Image source: Large scale screen Permanent Image Page Printer Friendly View XB-IMG-28843