Probe:	Ta probe
Probe preparation:	labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component	Present		1A	Prior to morphological tooth formation, expression throughout the simple oral epithelium covering the mandibular arch.
TS17: oral epithelium	Present		1A	Prior to morphological tooth formation, expression throughout the simple oral epithelium covering the mandibular arch.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Present	Regionally restricted	1C	During initiation of tooth development, expression is reduced in the thickened presumptive dental epithelium.
TS19: oral epithelium	Present		1C	Authors state that expression continues in oral epithelium

Structure	Level	Pattern	Image	Note
TS20: mandibular process	Absent		1E	During early bud stage, expression is absent in dental epithelium starting to bud.
TS20: oral epithelium	Present		1E	Authors state that expression continues in oral epithelium

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Strong	Regionally restricted	1G	At bud stage, intense expression in basal cells of the fully developed bud (outer epithelium of tooth germ), except for the forming signaling center at the tip, corresponding to the enamel knot.
TS21: enamel knot	Absent		1G
TS21: oral epithelium	Present		1G

Structure	Level	Pattern	Image	Note
TS22: outer enamel epithelium	Strong	Regionally restricted	1I	At cap stage, intense expression in the outer enamel epithelium.
TS22: inner enamel epithelium	Absent		1I
TS22: oral epithelium	Present		1I

Structure	Level	Pattern	Image	Note
TS25: outer enamel epithelium	Present		1K	Persistent expression in outer enamel epithelium.

Structure	Level	Pattern	Image	Note
TS27: outer enamel epithelium	Present		1M	Persistent expression in outer enamel epithelium.

Structure	Level	Pattern	Image	Note
TS19: oral epithelium	Present		5A
TS19: mandible primordium	Present		5A	Expression in presumptive dental epithelium in mandible and maxilla.
TS19: maxilla primordium	Present		5A	Expression in presumptive dental epithelium in mandible and maxilla.

Structure	Level	Pattern	Image	Note
TS19: mandible primordium	Absent		5B	No expression in ectoderm covering mandibular and maxillary processes.
TS19: maxilla primordium	Absent		5B	No expression in ectoderm covering mandibular and maxillary processes.

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Present	Regionally restricted	5C	Expression in outer epithelium of tooth bud.

Structure	Level	Pattern	Image	Note
TS21: tooth epithelium	Weak	Regionally restricted	5D	Expression significantly downregulated in dental epithelium and oral ectoderm flanking the tooth buds. No expression on lingual aspect of tooth buds; variable weak expression on buccal side.

Structure	Level	Pattern	Image	Note
TS22: outer enamel epithelium	Strong		5E	Intesnse expression in outer enamel epithelium.

Structure	Level	Pattern	Image	Note
TS22: tooth epithelium	Weak	Regionally restricted	5F	Expression on buccal but not lingual aspects of tooth germs.