Fig1B. Copyright: This image is from Hirata T; Nakazawa M; Yoshihara S; Miyachi H; Kitamura K; Yoshihara Y; Hibi M, Development 2006;133(8):1433-43 [doi:10.1242/dev.02329] and is displayed with the permission of The Company of Biologist Limited who owns the Copyright. [PMID:16540508]