Figure 2From: Lineage-specific co-evolution of the Egf receptor/ligand signaling systemSynteny analysis of vertebrate Egf , Tgfa and Hbegf and ligand cluster regions. A) Egf region. B) Tgfaregion. C) Hbegf region. D) Epgn, Ereg, Areg and Btcregion.Back to article page