Probe:	pSPC6-5'
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Weak		3A
TS9: trophectoderm	Weak		3A

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted	3A	Expression is in the differentiated decidual region.
TS28: uterus stroma	Absent		3A

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Weak		3B
TS9: trophectoderm	Weak		3B
TS9: embryo	Present	Regionally restricted	3B	Expressio is in the posterior of the embryo.

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted	3B	Expression is in the differentiated decidual region.

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Weak		3C
TS9: trophectoderm	Weak		3C

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted	3C	Expression is in the differentiated decidual region.
TS28: uterus stroma	Absent		3C

Structure	Level	Pattern	Image	Note
TS9: ectoplacental cone	Weak		3D
TS9: trophectoderm	Weak		3D

Structure	Level	Pattern	Image	Note
TS28: decidua	Present	Regionally restricted	3D	Expression is in the differentiated decidual region.
TS28: uterus stroma	Absent		3D

Structure	Level	Pattern	Image	Note
TS13: somite	Strong	Regionally restricted	4A	Expression is in the most posterior somite and is weaker in the preceding somites.

Structure	Level	Pattern	Image	Note
TS13: somite	Present	Regionally restricted	4B	Expression is uniform in the most posterior somite.

Structure	Level	Pattern	Image	Note
TS17: tail somite	Present	Regionally restricted	4C	Expression is at the posterior end of the tail.
TS17: vertebral pre-cartilage condensation	Present		4C
TS17: 1st branchial pouch	Very strong	Regionally restricted	4C	Expression is in the lining.
TS17: head	Very strong	Regionally restricted	4C	Expression is in the craniofacial region.
TS17: neural tube	Absent		4C

Structure	Level	Pattern	Image	Note
TS20: embryo endoderm	Weak		4D
TS20: mesoderm	Weak		4D
TS20: head	Very strong	Regionally restricted	4D	Expression is in the craniofacial region.
TS20: forelimb pre-cartilage condensation	Present		4D
TS20: hindlimb interdigital region	Present		4D
TS20: liver	Absent		4D
TS20: rib pre-cartilage condensation	Absent		4D
TS20: spinal cord	Absent		4D

Structure	Level	Pattern	Image	Note
TS20: embryo endoderm	Weak		4E
TS20: mesoderm	Weak		4E
TS20: vertebral pre-cartilage condensation	Very strong		4E
TS20: face	Present	Regionally restricted	4E	Expression is along the roof of the snout.
TS20: tongue	Present	Regionally restricted	4E	Expression is on the dorsal surface of the tongue.
TS20: lower jaw primordium	Present		4E
TS20: primary palate	Present		4E
TS20: liver	Absent		4E
TS20: rib pre-cartilage condensation	Absent		4E
TS20: spinal cord	Absent		4E

Structure	Level	Pattern	Image	Note
TS17: forelimb bud	Very strong	Regionally restricted	4F	Expression is in the proximoventral region.
TS17: apical ectodermal ridge	Absent		4F

Structure	Level	Pattern	Image	Note
TS20: forelimb interdigital region	Present		4G
TS20: forelimb pre-cartilage condensation	Present		4G