Probe:	Foxf1 probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS19: left lung rudiment lobar bronchus mesenchyme	Present	Regionally restricted	4C	Expression in subepithelial mesenchyme throughout the airways, the highest level is confined to mesenchyme surrounding the distal epithelium of the buds.
TS19: left lung rudiment mesenchyme	Present	Regionally restricted	4C	Expression in subepithelial mesenchyme throughout the airways, the highest level is confined to mesenchyme surrounding the distal epithelium of the buds.
TS19: right lung rudiment mesenchyme	Present	Regionally restricted	4C	Expression in subepithelial mesenchyme throughout the airways, the highest level is confined to mesenchyme surrounding the distal epithelium of the buds.
TS19: main bronchus mesenchyme	Present	Regionally restricted	4C	Expression in subepithelial mesenchyme throughout the airways.
TS19: trachea mesenchyme	Present	Regionally restricted	4C	Expression in subepithelial mesenchyme throughout the airways.

Structure	Level	Pattern	Image	Note
TS17: esophagus	Present		5B , 5A
TS17: foregut	Present		5B , 5A
TS17: hindgut	Present		5B , 5A
TS17: left lung rudiment mesenchyme	Present		5B , 5A
TS17: midgut	Present		5B , 5A
TS17: oral region cavity	Present		5B , 5A
TS17: right lung rudiment mesenchyme	Present		5B , 5A
TS17: tail sclerotome	Present		5B , 5A
TS17: trachea mesenchyme	Present		5B , 5A
TS17: trunk sclerotome	Present		5B , 5A
TS17: trunk mesenchyme	Present		5B , 5A	Expression in the splanchnic mesenchyme surrounding the foregut.

Structure	Level	Pattern	Image	Note
TS20: esophagus	Present		5C
TS20: foregut	Present		5C
TS20: hindgut	Present		5C
TS20: left lung mesenchyme	Present		5C
TS20: midgut	Present		5C
TS20: oral cavity	Present		5C
TS20: right lung mesenchyme	Present		5C
TS20: tail sclerotome	Present		5C
TS20: trachea mesenchyme	Present		5C
TS20: trunk mesenchyme	Present	Regionally restricted	5C	Expression in the splanchnic mesenchyme surrounding the foregut.

Structure	Level	Pattern	Image	Note
TS20: lung	Present		5D

Structure	Level	Pattern	Image	Note
TS17: hindgut	Present		5E , 5F
TS17: midgut	Present		5E , 5F
TS17: esophagus	Absent		5E , 5F
TS17: foregut	Absent		5E , 5F
TS17: left lung rudiment mesenchyme	Absent		5E , 5F
TS17: lung	Absent		5E , 5F
TS17: oral region cavity	Absent		5E , 5F
TS17: right lung rudiment mesenchyme	Absent		5E , 5F
TS17: tail sclerotome	Absent		5E , 5F
TS17: trachea mesenchyme	Absent		5E , 5F
TS17: trunk sclerotome	Absent		5E , 5F
TS17: trunk mesenchyme	Absent		5E , 5F	Absence of expression in the splanchnic mesenchyme surrounding the foregut.

Structure	Level	Pattern	Image	Note
TS20: hindgut	Present		5G
TS20: midgut	Present		5G
TS20: esophagus	Absent		5G
TS20: foregut	Absent		5G
TS20: left lung mesenchyme	Absent		5G
TS20: lung	Absent		5G
TS20: oral cavity	Absent		5G
TS20: right lung mesenchyme	Absent		5G
TS20: tail sclerotome	Absent		5G
TS20: trachea mesenchyme	Absent		5G
TS20: trunk mesenchyme	Absent		5G	Absence of expression in the splanchnic mesenchyme surrounding the foregut.

Structure	Level	Pattern	Image	Note
TS20: lung	Absent		5H