Probe:	Fog2 probe1
Assay notes:	Two probes gave the same pattern of hybridization: MGI:7408378 and MGI:7408379.

Structure	Cell Type	Level	Pattern	Image	Note
TS15: septum transversum		Present		3A
TS15: foregut mesenchyme		Present	Regionally restricted	3A	Expression was detected in the undifferentiated mesenchyme surrounding the developing foregut.
TS15: bulbus cordis	cardiac muscle cell	Weak		3A
TS15: primitive ventricle	cardiac muscle cell	Weak		3A
TS15: central nervous system		Absent		3A
TS15: embryo mesenchyme		Present	Scattered	3A	There were labeled cells scattered within the mesenchyme associated with the neuroepithelium.

Structure	Level	Pattern	Image	Note
TS17: foregut mesenchyme	Strong
TS17: septum transversum	Strong
TS17: primitive ventricle	Weak	Regionally restricted		Low expression was detected in the left ventricle.
TS17: future spinal cord	Weak	Regionally restricted		Low expression was detected in the ventral aspect of the spinal cord.
TS17: midbrain	Weak

Structure	Cell Type	Level	Pattern	Image	Note
TS19: foregut		Present	Regionally restricted	3B , 3D	Expression was detected in the remnants of the septum foregut. Expression was localized to the wall of the foregut.
TS19: midgut		Absent		3B , 3D
TS19: gut mesentery		Present	Regionally restricted	3B , 3D	Signal persisted in the mesenchyme at the root of the supporting mesentery.
TS19: cardiac muscle tissue		Present		3B
TS19: midbrain		Present	Regionally restricted	3B	Expression was detected in the tectum of the mesencephalon.
TS19: heart atrium	cardiac muscle cell	Present		3C , 3B	Expression was lower in the atrium than in the ventricle.
TS19: heart ventricle	cardiac muscle cell	Present		3C , 3B	Expression was lower in the atrium than in the ventricle.

Structure	Level	Pattern	Image	Note
TS21: atrium cardiac muscle	Weak		3E
TS21: ventricle cardiac muscle	Weak		3E

Structure	Level	Pattern	Image	Note
TS21: hypothalamus	Strong	Regionally restricted	3F	Expression was strong at discrete foci.
TS21: midbrain tegmentum	Strong	Regionally restricted	3F	Expression was strong at discrete foci.
TS21: pons	Strong	Regionally restricted	3F	Expression was strong at discrete foci.
TS21: telencephalon	Strong	Regionally restricted	3F	Expression was strong at discrete foci in the basal ganglia.
TS21: body wall mesenchyme	Weak	Regionally restricted	3F	Low level expression was detected in the mesenchyme of the anterior body wall.
TS21: jaw mesenchyme	Weak		3F
TS21: nasal mesenchyme	Weak	Regionally restricted	3F	Low level expression was detected in the mesenchyme of the nasal cavities.

Structure	Level	Pattern	Image	Note
TS23: midbrain tegmentum	Strong		3G
TS23: pons	Strong		3G
TS23: tectum	Strong		3G
TS23: telencephalon	Strong		3G

Structure	Level	Pattern	Image	Note
TS23: gut mesentery	Present	Regionally restricted	3H	Signal remained in the mesenteries supporting the midgut.