Antibody:

anti-Tbx2 (HPA008586)

Structure	Level	Pattern	Image	Note
TS20: tooth bud	Present	Regionally restricted	1A	Expression is in the upper and lower molar mesenchyme with reduced expression on the lingual aspects.

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar mesenchyme	Present		1B	There is reduced expression on the lingual aspect.
TS21: upper jaw molar mesenchyme	Present		1B	There is reduced expression on the lingual aspect.

Structure	Level	Pattern	Image	Note
TS22: lower jaw molar mesenchyme	Present		1C	There is reduced expression on the lingual aspect.
TS22: upper jaw molar mesenchyme	Present		1C	There is reduced expression on the lingual aspect.

Structure	Level	Pattern	Image	Note
TS24: lower jaw molar mesenchyme	Present		1D	There is reduced expression on the lingual aspect.
TS24: upper jaw molar mesenchyme	Present		1D	There is reduced expression on the lingual aspect.

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar mesenchyme	Present		1E	There is reduced expression on the lingual aspect.

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar mesenchyme	Present		1F	Expression persists in this mutant with dispersed expression towards the lingual side.