Fig1B. [doi:10.1242/dev.011783] Copyright: This image is from Wildner H; Gierl MS; Strehle M; Pla P; Birchmeier C, "Insm1 (IA-1) is a crucial component of the transcriptional network that controls differentiation of the sympatho-adrenal lineage." Development 2008 135:473-81 and is displayed with the permission of The Company of Biologist Limited who owns the Copyright. [PMID:18094025]