Probe:	9A
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS23: epithelium	Present		2c

Structure	Level	Pattern	Image	Note
TS21: oral epithelium	Present	Uniform	3a
TS21: tongue epithelium	Present	Uniform	3a

Structure	Level	Pattern	Image	Note
TS22: oral epithelium	Present		3b
TS22: tongue epithelium	Present		3b

Structure	Level	Pattern	Image	Note
TS23: tongue epithelium	Present		3c	Expression is not strongly upregulated as others.
TS23: oral epithelium	Present	Regionally restricted	3c	Restricted to the lower layers.

Structure	Level	Pattern	Image	Note
TS20: oral epithelium	Strong	Regionally restricted	4a	Expressed in the dental lamina and lip furrow band, throughout the invaginating epithelium including the most basal layer.

Structure	Level	Pattern	Image	Note
TS22: tooth	Present		4b	Expressed in the dental primordium.
TS22: tooth epithelium	Present	Regionally restricted	4b	Expressed in the early lip furrow band.

Structure	Level	Pattern	Image	Note
TS23: incisor enamel organ	Present	Uniform	4c	Expressed in both the inner and outer enamel epithelia.

Structure	Level	Pattern	Image	Note
TS20: nasal cavity epithelium	Present	Uniform	5a

Structure	Level	Pattern	Image	Note
TS21: nasal cavity epithelium	Present	Regionally restricted	5b	Expressed in the lower layers.

Structure	Level	Pattern	Image	Note
TS23: nasal cavity epithelium	Present	Regionally restricted	5c	Restricted to the most basal layers.

Structure	Level	Pattern	Image	Note
TS21: vibrissa follicle	Present	Uniform	6a
TS21: vibrissa epidermal component	Present	Regionally restricted	6a	Expressed in the interfollicular epithelium.

Structure	Level	Pattern	Image	Note
TS22: vibrissa follicle	Present	Regionally restricted	6b	Restricted to the least differentiated basal layers of the follicle.
TS22: vibrissa epidermal component	Present		6b

Structure	Level	Pattern	Image	Note
TS24: vibrissa follicle	Present	Regionally restricted	6c	Restricted to the deeper parts of the bulb and the presumptive bulge.
TS24: vibrissa epidermal component	Absent		6c	Barely detectable.

Structure	Level	Pattern	Image	Note
TS20: stomach glandular region epithelium	Present		7a	More uniformly expression in mucosal surface.

Structure	Level	Pattern	Image	Note
TS22: stomach epithelium	Present	Regionally restricted	7b	Uniformly expressed in the stratifying non-glandular epithelium.

Structure	Level	Pattern	Image	Note
TS24: stomach epithelium	Present	Regionally restricted	7c	Restricted to the lower cell layers of the non-glandular gastric epithelium.

Structure	Level	Pattern	Image	Note
TS20: head	Present	Uniform		Expressed in all epithelial cells and tissues within the head.
TS20: vibrissa epithelium	Present