Larger Image twist1 gene expression in Xenopus laevis embryo via in situ hybridization, NF stage 26, lateral view, anterior left. Image from Sargent laboratory. Copyright © Sargent Lab (Retired) Gene Synonyms Species Stage(s) Tissue twist1.S twist, twist1-a, twist1-b, X-twi, Xtwi, Xtwist X. laevis Throughout NF stage 26 cranial neural crest mandibular crest hyoid crest branchial crest neuroectoderm cephalic nerve forebrain Image source: Community submitted Permanent Image Page Printer Friendly View XB-IMG-117