Larger Image This image is extracted from figure published in: Li B et al. (2009) Copyright © 2009. Image reproduced with permission of the Publisher and the copyright holder. This is an Open Access article distributed under the terms of the Creative Commons Attribution License. Gene Synonyms Species Stage(s) Tissue gbx2.2 XGBX-2 Xenopus Throughout NF stage 16 epidermis neural crest Image source: Published Permanent Image Page Printer Friendly View XB-IMG-47502