Probe:	Tcf19 cDNA
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS28: islets of Langerhans	Present		1B	Expression was predominantly in the islets.
TS28: pancreatic duct	Present	Non-Uniform	1B	Staining was observed in a few ductal cells.

Structure	Level	Pattern	Image	Note
TS28: liver sinusoid	Present		1C

Structure	Level	Pattern	Image	Note
TS17: neural tube	Present		1D
TS17: embryo	Weak	Widespread	1D

Structure	Level	Pattern	Image	Note
TS20: embryo mesenchyme	Present		1E
TS20: central nervous system	Present		1E

Structure	Level	Pattern	Image	Note
TS17: pancreas primordium	Weak		1F
TS17: embryo	Weak	Widespread	1F
TS17: gut	Weak	Widespread	1F	Low-level expression was detected in diverse nuclei throughout the gut.

Structure	Level	Pattern	Image	Note
TS23: pancreatic duct	Weak	Regionally restricted	1G	Expression was faint in the pancreas, but when present it was detected along the central duct epithelium.

Structure	Level	Pattern	Image	Note
TS20: gut	Weak	Widespread		Low-level expression was detected in diverse nuclei throughout the gut.

Structure	Level	Pattern	Image	Note
TS23: gut	Weak	Widespread		Low-level expression was detected in diverse nuclei throughout the gut.