Probe:	Foxp4 cDNA
Probe preparation:	Antisense RNA

Structure	Level	Pattern	Image	Note
TS15: foregut	Present		2A	Expression is present in foregut endoderm.
TS15: heart	Absent		2A

Structure	Level	Pattern	Image	Note
TS17: lung epithelium	Present		2B	Expression is present in the airway epithelium and in the mesenchyme directly adjacent it.
TS17: lung mesenchyme	Present		2B	Expression is present in the airway epithelium and in the mesenchyme directly adjacent it.

Structure	Level	Pattern	Image	Note
TS20: embryo	Present		2C	This specimen was not discussed.

Structure	Level	Pattern	Image	Note
TS22: liver	Absent		2D

Structure	Level	Pattern	Image	Note
TS24: lung epithelium	Present		2E	Expression is observed in both proximal and distal airway epithelium.

Structure	Level	Pattern	Image	Note
TS26: lung epithelium	Present		2F	Expression is observed in both proximal and distal airway epithelium.

Structure	Level	Pattern	Image	Note
TS20: intestine epithelium	Present		2G

Structure	Level	Pattern	Image	Note
TS24: intestine epithelium	Present		2H
TS24: stomach epithelium	Present		2H

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	Strong		2I	Expression is present in the intermediate zone of the neopallial cortex.
TS22: cerebral cortex	Present	Regionally restricted	2I	There is expression in the cortex surrounding the intermediate zone, but this expression is at lower levels than seen in the zone.

Structure	Level	Pattern	Image	Note
TS24: cerebral cortex	Present	Regionally restricted	2J	Expression is present in the cortex but not in its intermediate zone.
TS24: cerebral cortex intermediate zone	Absent		2J