Probe:	Lfng probe10
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS19: oral epithelium	Present	Regionally restricted	1A	Expression was detected in some dental epithelial cells adjacent to the mesenchyme.

Structure	Level	Pattern	Image	Note
TS20: oral epithelium	Weak	Regionally restricted	1B	Expression was detected in dental epithelial cells adjacent to the condensed mesenchyme.

Structure	Level	Pattern	Image	Note
TS23: molar enamel organ	Strong	Regionally restricted	1C	Expression was detected in the inner enamel epithelium. A faint expression was also seen in the outer enamel epithelium.
TS23: molar dental papilla	Strong		1C

Structure	Level	Pattern	Image	Note
TS24: molar enamel organ	Present	Regionally restricted	1D	Expression was detected in the inner and outer enamel epithelium.
TS24: molar dental papilla	Present		1D
TS24: jaw skeleton	Present	Regionally restricted	1D	Expression was detected in the alveolar bone.

Structure	Level	Pattern	Image	Note
TS25: molar enamel organ	Present	Regionally restricted	1F , 1E	Expression was detected in the inner and outer enamel epithelium.
TS25: molar dental papilla	Present		1E , 1F
TS25: jaw skeleton	Present	Regionally restricted	1E , 1F	Expression was detected in the alveolar bone.

Structure	Level	Pattern	Image	Note
TS24: molar enamel organ	Strong	Regionally restricted	2A	Expression was detected in the inner enamel epithelium.

Structure	Level	Pattern	Image	Note
TS26: molar enamel organ	Present	Regionally restricted	2B	Expression was detected in the inner enamel epithelium.

Structure	Level	Pattern	Image	Note
TS26: molar enamel organ	Present	Regionally restricted	2C	Expression was detected in the inner enamel epithelium.

Structure	Level	Pattern	Image	Note
TS21: incisor epithelium	Present	Regionally restricted	3B , 3A	Expression was detected in the posterior part of the incisor epithelial bud (lingual side).

Structure	Level	Pattern	Image	Note
TS21: incisor epithelium	Present	Regionally restricted	3C	Expression was detected in the posterior part of the incisor epithelial bud.

Structure	Level	Pattern	Image	Note
TS21: upper jaw incisor epithelium	Present	Regionally restricted	3D , 3E	Expression was detected in the posterior part of the incisor epithelial bud. Few transcripts were seen in the upper/anterior part.

Structure	Level	Pattern	Image	Note
TS22: incisor epithelium	Strong	Regionally restricted	3F	Expression was detected in the posterior part of the incisor epithelium.

Structure	Level	Pattern	Image	Note
TS26: incisor enamel organ	Present	Regionally restricted	3G	After the incisor rotates, expression was detected in the inner enamel epithelium located at the labial side of the incisor.
TS26: jaw skeleton	Present	Regionally restricted	3G	Expression was detected in the alveolar bone.