Reporter:	GFP
Antibody:	anti-GFP (Aves)
Detection system:	fluorescein

Structure	Level	Pattern	Image	Note
TS19: jaw primordium epithelium	Present	Regionally restricted	1A	Expressed in the thickened dental lamina of the oral epithelium adjacent to or between developing tooth buds.
TS19: jaw primordium mesenchyme	Trace	Single cells	1A	Occasionally expressed.

Structure	Level	Pattern	Image	Note
TS21: molar mesenchyme	Present	Scattered	1B
TS21: molar epithelium	Absent		1B

Structure	Level	Pattern	Image	Note
TS22: molar mesenchyme	Present	Regionally restricted	1C	Expressed in the condensing mesenchyme adjacent to epithelium underlying the primary enamel knot. Some weaker and inconsistent expression is detected in scattered cells that surround the primary enamel knot.

Structure	Level	Pattern	Image	Note
TS24: molar	Absent		1D
TS24: trigeminal nerve	Present		1D

Structure	Level	Pattern	Image	Note
TS26: molar enamel organ	Present	Regionally restricted	1E	Expressed in the molar ameloblasts.

Structure	Level	Pattern	Image	Note
TS28: molar enamel organ	Present	Regionally restricted	1F	Expressed in the molar ameloblasts.
TS28: trigeminal nerve	Present	Regionally restricted	1F	Expressed in pioneering nerve fibers and some residual nerve fibers still surrounding the tooth organ.

Structure	Level	Pattern	Image	Note
TS28: molar enamel organ	Present	Regionally restricted	1G	Expressed in the molar ameloblasts and the enamel layer.
TS28: trigeminal nerve	Present	Regionally restricted	1G	Expressed in the nerve fiber in the dental pulp.

Structure	Level	Pattern	Image	Note
TS28: molar enamel organ	Present		1H	Decreased expression.
TS28: trigeminal nerve	Present	Regionally restricted	1H	Expressed in the nerve fiber in the dental pulp.

Structure	Level	Pattern	Image	Note
TS24: incisor enamel organ	Present	Regionally restricted	1I	Expressed in the preameloblasts, starting in the medial aspect relative to the central axis.

Structure	Level	Pattern	Image	Note
TS27: incisor enamel organ	Strong	Regionally restricted	1J	Expressed in the ameloblasts.

Structure	Level	Pattern	Image	Note
TS28: incisor enamel organ	Present	Regionally restricted	1K	Expressed in the ameloblasts.

Structure	Level	Pattern	Image	Note
TS28: incisor enamel organ	Present	Regionally restricted	1L	Expressed in the ameloblasts.
TS28: incisor dental pulp	Absent		1L

Structure	Level	Pattern	Image	Note
TS22: trigeminal nerve	Present	Regionally restricted	2A	Expressed in the pioneering processes of the molar nerve, extending to the buccal side of the dental mesenchyme.

Structure	Level	Pattern	Image	Note
TS24: trigeminal nerve	Present	Regionally restricted	2B	Expressed in the prominent nerve net that surrounds developing molars.
TS24: molar	Absent		2B	Weak or essentially no expression in the structures of the developing tooth organ.

Structure	Level	Pattern	Image	Note
TS28: trigeminal nerve	Present	Regionally restricted	2C	Expressed in the pioneering fibers of the molar nerve, entering the tooth at the base of the molar dental papilla.

Structure	Level	Pattern	Image	Note
TS28: trigeminal nerve	Present	Regionally restricted	2D	Expressed in the pioneering fibers of the molar nerve, entering the tooth at the base of the molar dental papilla at sites coincident with the location of blood vessels.

Structure	Level	Pattern	Image	Note
TS28: trigeminal nerve	Present	Regionally restricted	2E	Expressed in molar nerves with a more extensive pattern as these processes were elaborated and became more widely distributed within the tooth pulp.

Structure	Level	Pattern	Image	Note
TS28: trigeminal nerve	Present	Regionally restricted	2F	Expressed in an extensive array of molar nerve fibers that begin as aggregated tracts at the base of the dental papilla and then branch to form an extensive and dense fiber complex in the vicinity of the odontoblasts.

Structure	Level	Pattern	Image	Note
TS28: trigeminal nerve	Present	Regionally restricted	2G	Expressed in an extensive array of molar nerve fibers. Some of them enter the odontoblast layer, although they do so sparingly.

Structure	Level	Pattern	Image	Note
TS22: molar mesenchyme	Present	Regionally restricted	3A GFP , 3A Merge	Expressed in the condensing mesenchyme immediately opposite the Edar+ primary enamel knot.
TS22: molar dental papilla	Present	Scattered	3A Merge , 3A GFP	Coexpressed with Edar in scattered cells in the dental papilla surrounding the mesenchyme. The majority of these cells have a classic spider-like morphology characteristic of macrophages.

Structure	Level	Pattern	Image	Note
TS24: molar	Absent		3B Merge , 3B GFP

Structure	Level	Pattern	Image	Note
TS28: incisor enamel organ	Present	Regionally restricted	5A right , 5A left	Expressed in the ameloblasts, essentially the entire cell, except for the nucleus.

Structure	Level	Pattern	Image	Note
TS21: trigeminal nerve	Trace	Regionally restricted		Occasional fibers were inconsistently detected.

Structure	Level	Pattern	Image	Note
TS23: trigeminal nerve	Present	Regionally restricted		Expressed in the pioneering processes of the molar nerve. The first bifurcations to the lingual aspect were seen.
TS23: molar mesenchyme	Absent

Structure	Level	Pattern	Image	Note
TS25: incisor enamel organ	Present	Widespread		Expressed in all ameloblasts.