Probe:	MN21
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS21: lower jaw incisor epithelium	Present	Uniform	1D

Structure	Level	Pattern	Image	Note
TS22: lower jaw incisor epithelium	Present	Regionally restricted	1H	Expression is present in the outer dental epithelium. There is no expression in the inner dental epithelium. There is intense expression in the labial part of the cervical loop.
TS22: outer enamel epithelium	Present		1H
TS22: inner enamel epithelium	Absent		1H
TS22: cervical loop	Strong	Regionally restricted	1H	There is intense expression in the labial part of the cervical loop.

Structure	Level	Pattern	Image	Note
TS23: lower jaw incisor epithelium	Present	Regionally restricted	1L	Expression is restricted to the outer dental epithelium; there is no expression in the inner dental epithelium. There is strong expression in the labial part of the cervical loop.
TS23: outer enamel epithelium	Present		1L
TS23: inner enamel epithelium	Absent		1L
TS23: cervical loop	Strong	Regionally restricted	1L	There is strong expression in the labial part of the cervical loop.

Structure	Level	Pattern	Image	Note
TS25: lower jaw incisor epithelium	Present	Non-Uniform	1P	There is strong expression in the differentiating ameloblasts of the anterior inner dental epithelium. There is sparce expression in the lingual cervical loop region.
TS25: inner enamel epithelium	Strong	Regionally restricted	1P	There is strong expression in the differentiating ameloblasts of the anterior inner dental epithelium.
TS25: cervical loop	Weak	Regionally restricted	1P	There is sparce expression in the lingual cervical loop region.

Structure	Level	Pattern	Image	Note
TS26: lower jaw molar epithelium	Present	Regionally restricted	2C , 2D	Expression is present in the outer dental epithelium and absent in the inner dental epithelium.
TS26: outer enamel epithelium	Present		2D , 2C
TS26: inner enamel epithelium	Absent		2C , 2D