Larger Image eef2.1 gene expression in Xenopus laevis, NF stage 29&30 embryo, in situ hybridization, lateral view, anterior left. Image copyrighted by Pollet, Nicolas Copyright © CNRS UMR 8080, Nicolas Pollet Image published in: AXELDB Database, AxelDB (Image Pages) Gene Synonyms Species Stage(s) Tissue eef2.1.L ef2 X. laevis Throughout NF stage 29 and 30 epidermis somite pharyngeal arch tail bud ectoderm embryo fin head mesoderm muscle neural crest Image source: Large scale screen Permanent Image Page Printer Friendly View XB-IMG-30377