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Summary of Fgf ligands Etv4 and Etv5 in embryonic cervical loop region. Schematic drawing of a combination of expression of Fgf ligands Etv4 and Etv5 in cervical loop region at E16.5. Etv4 and Etv5 were expressed in an identical manner in embryonic cervical loops. Expression in epithelium shown in blue and in mesenchyme in red.
