Fig2D. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/j.ydbio.2006.04.004] Dev Biol 297: 14-25, Haines BP; Wheldon LM; Summerbell D; Heath JK; Rigby PW, Regulated expression of FLRT genes implies a functional role in the regulation of FGF signalling during mouse development. Copyright 2006