Probe:	Cldn6 probe
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS9: embryo	Present		1A	Expression is quite broad throughout the epiblast.
TS9: primitive endoderm	Present		1A	Expression is present throughout the hypoblast.
TS9: primitive streak	Absent		1A
TS9: extraembryonic visceral endoderm	Absent		1A	There is no expression in some visceral endoderm surrounding the epiblast.

Structure	Level	Pattern	Image	Note
TS11: embryo	Present		1B	Expression is present in most of the epiblast.
TS11: embryo mesoderm	Absent		1B
TS11: primitive streak	Absent		1B

Structure	Level	Pattern	Image	Note
TS13: embryo endoderm	Present		1C	Expression is beginning to be restricted to the endoderm.

Structure	Level	Pattern	Image	Note
TS9: embryo	Present		1D	Expression is quite broad throughout the epiblast.

Structure	Level	Pattern	Image	Note
TS11: embryo	Present		1E	Expression is quite broad throughout the epiblast.

Structure	Level	Pattern	Image	Note
TS13: embryo endoderm	Present		1F	Expression is beginning to be restricted to the endoderm.

Structure	Level	Pattern	Image	Note
TS15: embryo endoderm	Strong		1G
TS15: gut	Strong		1G
TS15: otocyst	Present		1G
TS15: future forebrain	Present	Regionally restricted	1G	Expression is present in a small region.

Structure	Level	Pattern	Image	Note
TS17: embryo endoderm	Present		1H
TS17: gut	Present		1H
TS17: mesonephros	Present		1H
TS17: otocyst	Present		1H
TS17: forebrain	Present		1H

Structure	Level	Pattern	Image	Note
TS19: left lung rudiment epithelium	Strong		2A	Expression is present throughout the entire epithelia.
TS19: right lung rudiment epithelium	Strong		2A	Expression is present throughout the entire epithelia.

Structure	Level	Pattern	Image	Note
TS20: left lung epithelium	Strong		2B	Expression is present throughout the entire epithelia.
TS20: right lung epithelium	Strong		2B	Expression is present throughout the entire epithelia.

Structure	Level	Pattern	Image	Note
TS21: lung epithelium	Strong		2C	Expression is present throughout the entire epithelia.

Structure	Level	Pattern	Image	Note
TS22: left lung epithelium	Strong		2D	Expression is present throughout the entire epithelia.
TS22: right lung epithelium	Strong		2D	Expression is present throughout the entire epithelia.

Structure	Level	Pattern	Image	Note
TS22: lung epithelium	Strong		2E	Expression is present throught the epithelia, including proximal and distal airways.
TS22: trachea epithelium	Present		2E
TS22: lung mesenchyme	Absent		2E

Structure	Level	Pattern	Image	Note
TS22: lung epithelium	Strong		2F	Expression is present throughout the epithelia.
TS22: lung mesenchyme	Absent		2F

Structure	Level	Pattern	Image	Note
TS22: pancreas	Present	Regionally restricted	2G	Expression is restricted to the epithelium.
TS22: stomach epithelium	Trace		2G

Structure	Level	Pattern	Image	Note
TS21: pancreas	Strong	Regionally restricted	2H	Expression is seen in the branching epithelia. It is not seen in the mesoderm.