Probe:	Tbx2 cDNA5
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS15: head	Present	Regionally restricted	3A	Expression is present in the facial region surrounding the invaginating olfactory placodes.
TS15: optic vesicle	Present		3A
TS15: otocyst	Present		3A

Structure	Level	Pattern	Image	Note
TS19: head	Present	Regionally restricted	4A	Expression is prominant in the facial region, surrounding the nasal placodes.
TS19: maxillary process mesenchyme	Present	Widespread	4A
TS19: mandibular process mesenchyme	Present	Regionally restricted	4A	Expression is present in the rostral (oral) part.
TS19: limb mesenchyme	Present	Regionally restricted	4A	Expression is present at the anterior and posterior margins of the limb buds.
TS19: myotome	Present		4A
TS19: trunk mesenchyme	Present	Regionally restricted	4A	Expression is present in the milk line, the future stroma of the mammary gland.
TS19: outer ear	Present	Regionally restricted	4A	Expression is present in the pinna.
TS19: neural retinal epithelium	Present	Regionally restricted	4A	Expression is present in the dorsal region.

Structure	Level	Pattern	Image	Note
TS19: head	Present	Regionally restricted	4B	Expression is prominant in the facial region, surrounding the nasal placodes.
TS19: maxillary process mesenchyme	Present	Widespread	4B
TS19: mandibular process mesenchyme	Present	Regionally restricted	4B	Expression is present in the rostral (oral) part.
TS19: neural retinal epithelium	Present	Regionally restricted	4B	Expression is present in the dorsal region.
TS19: outer ear	Present	Regionally restricted	4B	Expression is present in the pinna.

Structure	Level	Pattern	Image	Note
TS20: hindbrain	Present	Regionally restricted	4C	Expression is present in bilaterally paired regions located immediately caudal to the pontine flexure.

Structure	Level	Pattern	Image	Note
TS20: pinna	Present