Probe:	Sox2 cDNA9
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS20: dental placode	Strong	Regionally restricted	2C	Expression is strongest in the lingual aspect of the dental epithelium.
TS20: oral epithelium	Present		2C
TS20: jaw primordium mesenchyme	Trace		2C
TS20: oral region mesenchyme	Trace		2C

Structure	Level	Pattern	Image	Note
TS22: lower jaw tooth epithelium	Present	Regionally restricted	2D	Expression is in the lingual dental epithelium.
TS22: oral epithelium	Present	Regionally restricted	2D	Expression is at the lingual side of the tooth germ and continued to the lingual cells of the dental cord and enamel organ.
TS22: lower jaw molar enamel organ	Present	Regionally restricted	2D	Expression is in the outer enamel epithelium.
TS22: lower jaw molar dental lamina	Present		2D
TS22: stellate reticulum	Present		2D
TS22: lower jaw mesenchyme	Trace		2D

Structure	Level	Pattern	Image	Note
TS24: lower jaw molar epithelium	Present	Regionally restricted	2E	Expression is in the lingual dental epithelium.
TS24: oral epithelium	Present	Regionally restricted	2E	Expression is at the lingual side of the tooth germ and continued to the lingual cells of the dental cord and enamel organ.
TS24: lower jaw molar enamel organ	Present	Regionally restricted	2E	Expression is in the outer enamel epithelium.
TS24: lower jaw molar dental lamina	Present		2E
TS24: stellate reticulum	Present		2E
TS24: lower jaw mesenchyme	Trace		2E
TS24: cervical loop	Weak		2E