Probe:	SPC6 cDNA
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS11: amnion	Strong		5A/B	Most intense.
TS11: extraembryonic endoderm	Strong		5A/B	Most intense.
TS11: primitive endoderm	Strong	Regionally restricted	5A/B , 5C/D	Most intense in the nascent mesoderm located in the distal region of the primitive streak.

Structure	Level	Pattern	Image	Note
TS13: somite	Strong		5E
TS13: yolk sac	Strong		5E

Structure	Level	Pattern	Image	Note
TS15: dermomyotome	Strong		5F

Structure	Level	Pattern	Image	Note
TS20: cranium bone primordium	Present		5G/H	Increased expression.
TS20: tongue muscle	Present		5G/H	Increased expression.

Structure	Level	Pattern	Image	Note
TS20: vertebral cartilage condensation	Present		5I	Increased expression.

Structure	Level	Pattern	Image	Note
TS19: footplate apical ectodermal ridge	Strong		6E
TS19: hindlimb bud mesenchyme	Present	Regionally restricted	6E	Expressed in the mesenchyme underlying the apical ectodermal ridge, although at significantly lower levels.

Structure	Level	Pattern	Image	Note
TS20: forelimb digit mesenchyme	Present	Regionally restricted	7E/F	Expressed in the condensing mesenchymal cells surrounding the cartilage primordia of the future digits. More abundant in dorsal compared to ventral mesenchyme.

Structure	Level	Pattern	Image	Note
TS20: forelimb digit mesenchyme	Present	Regionally restricted	7G	Expressed in the distal region, more abundant in dorsal compared to ventral mesenchyme.

Structure	Level	Pattern	Image	Note
TS24: intestinal villus	Strong	Regionally restricted	8G/H	Expressed in the epithelial cells of the villi but not in the mesenchyme.

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted		Expressed at the site of fusion of the two decidual lobes.

Structure	Level	Pattern	Image	Note
TS15: forelimb bud presumptive apical ectodermal ridge	Strong