Probe:	Runx1 cDNA4
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS21: frontal bone primordium	Present	Regionally restricted	1A	Expression was detected in osteogenic regions.
TS21: mandible	Present	Regionally restricted	1A	Expression was detected in osteogenic regions.
TS21: maxilla	Present	Regionally restricted	1A	Expression was detected in osteogenic regions.
TS21: Meckel's cartilage	Present		1A
TS21: eyelid mesenchyme	Present		1A
TS21: nasal septum	Present		1A
TS21: sphenoid bone pre-cartilage condensation	Present	Regionally restricted	1A	Expression was detected in the ala orbitalis.
TS21: olfactory epithelium	Present		1A
TS21: palatal shelf epithelium	Present		1A

Structure	Level	Pattern	Image	Note
TS20: oral epithelium	Present	Regionally restricted	2A	Expression was detected in dental epithelium on the buccal side.

Structure	Level	Pattern	Image	Note
TS21: lower jaw mesenchyme	Present	Regionally restricted	2D	Expression was detected in the mesenchyme that extends from the perichondrium of Meckel's cartilage, but not in the mesenchyme expanded from ossified mandibular bone.
TS21: lower jaw tooth epithelium	Present	Regionally restricted	2D	Expression was detected in dental epithelium on the buccal side.

Structure	Level	Pattern	Image	Note
TS21: upper jaw molar epithelium	Present	Regionally restricted	2D inset	Expression was detected in the buccal aspect of the dental epithelium.

Structure	Level	Pattern	Image	Note
TS22: lower jaw tooth epithelium	Present	Regionally restricted	2G	Expression was detected in the buccal aspect of the dental epithelium.
TS22: lower jaw mesenchyme	Present	Regionally restricted	2G	Expression was detected in the mesenchyme that extends from the perichondrium of Meckel's cartilage, but not in the mesenchyme expanded from ossified mandibular bone.

Structure	Level	Pattern	Image	Note
TS22: upper jaw molar epithelium	Present	Regionally restricted	2G inset	Expression was detected in the buccal aspect of the dental epithelium.

Structure	Level	Pattern	Image	Note
TS24: lower jaw tooth epithelium	Present	Regionally restricted	2J	Expression was detected in dental epithelium on the buccal and lingual side.

Structure	Level	Pattern	Image	Note
TS24: upper jaw molar epithelium	Present	Regionally restricted	2J inset	Expression was detected in the buccal and lingual aspect of the dental epithelium.

Structure	Level	Pattern	Image	Note
TS26: lower jaw tooth enamel organ	Weak	Regionally restricted	2M	Weak expression was detected in the outer enamel epithelium.

Structure	Level	Pattern	Image	Note
TS27: enamel organ	Weak	Regionally restricted	2P	Weak expression was detected in the outer enamel epithelium.
TS27: lower jaw molar	Present	Regionally restricted	2P	Some localized expression was detected in ameloblasts.

Structure	Level	Pattern	Image	Note
TS27: lower jaw incisor	Present		3A
TS27: lower jaw molar	Present		3A

Structure	Level	Pattern	Image	Note
TS27: lower jaw incisor	Present		3B	Expression patterns were similar in mutant and wild type mice.
TS27: lower jaw molar	Present		3B	Expression patterns were similar in mutant and wild type mice.

Structure	Level	Pattern	Image	Note
TS20: palatal shelf epithelium	Weak		4A

Structure	Level	Pattern	Image	Note
TS21: palatal shelf epithelium	Moderate	Regionally restricted	4B	Expression was detected in the palatal shelf epithelium contacting the tongue.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf epithelium	Present	Regionally restricted	4C	Prior to horizontalization of the shelves, the expression was more intense and localized to the tips of the shelves.

Structure	Level	Pattern	Image	Note
TS24: palate epithelium	Present	Regionally restricted	4D	After the fusion of the shelves, expression was detected at the fusion site.
TS24: palate mesenchyme	Present	Regionally restricted	4D	After the fusion of the shelves, expression was detected at the fusion site.
TS24: nasal cavity epithelium	Present	Regionally restricted	4D	Expression was detected at the site of palatal shelf fusion.
TS24: oral epithelium	Present	Regionally restricted	4D	Expression was detected at the site of palatal shelf fusion.