Antibody:	Anti-Epcam
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS24: liver and biliary system epithelium	Weak	Regionally restricted	1A EpCAM E16.5	Expression was weak in a discontinuous single-layered ring in the periportal area of the liver.

Structure	Level	Pattern	Image	Note
TS26: liver and biliary system epithelium	Present	Regionally restricted	1A EpCAM E18.5	Expression was stronger than at E16.5 in bi-layered ductal plates.

Structure	Level	Pattern	Image	Note
TS27: liver and biliary system epithelium	Present	Regionally restricted	1A EpCAM Neonate	Expression was stronger than at E16.5 in bi-layered ductal plates.

Structure	Level	Pattern	Image	Note
TS17: foregut	Present	Regionally restricted	1D	Expression was detected in hepatoblasts that emerged from the foregut endoderm to form hepatic cords in the septum transversum mesenchyme region.
TS17: hepatic primordium	Present	Regionally restricted	1D	Expression was detected in hepatoblasts that emerged from the foregut endoderm to form hepatic cords in the septum transversum mesenchyme region.