Probe:	beta-catenin cDNA2
Probe preparation:	Antisense RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS15: embryo	Present		1m

Structure	Level	Pattern	Image	Note
TS17: embryo	Present		1n

Structure	Level	Pattern	Image	Note
TS19: embryo	Present		1o

Structure	Level	Pattern	Image	Note
TS15: head	Present		2_Bcat left

Structure	Level	Pattern	Image	Note
TS17: head	Present		2_Bcat middle

Structure	Level	Pattern	Image	Note
TS19: head	Present		2_Bcat right

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present		3e1
TS15: 1st branchial arch maxillary component	Present		3e1

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present	Graded	3e2	Expression shows gradients peaking at the lateral or distal margins.
TS15: 1st branchial arch maxillary component	Present	Graded	3e2	Expression shows gradients peaking at the lateral or distal margins.
TS15: 2nd branchial arch	Present	Graded	3e2	Expression shows gradients peaking at the lateral or distal margins.
TS15: fronto-nasal process	Present	Graded	3e2	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch maxillary component	Present	Graded	4a5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: fronto-nasal process	Present	Graded	4b5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present	Graded	4c5	Expression shows gradients peaking at the lateral or distal margins.
TS15: 2nd branchial arch	Present	Graded	4c5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 2nd branchial arch	Present	Graded	4d5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 3rd branchial arch	Present	Graded	4e5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: fronto-nasal process	Present	Graded	5a5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present		5b5	Expression shows gradients peaking at the lateral or distal margins.
TS15: 1st branchial arch maxillary component	Present		5b5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 1st branchial arch mandibular component	Present	Graded	5c5	Expression shows gradients peaking at the lateral or distal margins.
TS15: 1st branchial arch maxillary component	Present	Graded	5c5	Expression shows gradients peaking at the lateral or distal margins.

Structure	Level	Pattern	Image	Note
TS15: 2nd branchial arch	Present	Graded	5d5	Expression shows gradients peaking at the lateral or distal margins.
TS15: 3rd branchial arch	Present	Graded	5d5	Expression shows gradients peaking at the lateral or distal margins.
TS15: branchial arch	Present	Regionally restricted	5d5	Expressed in the 4th arch.

Structure	Level	Pattern	Image	Note
TS17: fronto-nasal process	Present		6e1
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	6e1	Expressed in the anterior.
TS17: 1st branchial arch maxillary component	Present	Regionally restricted	6e1	Expressed in the anterior.

Structure	Level	Pattern	Image	Note
TS17: 3rd branchial arch	Present	Widespread	6e2
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	6e2	Expressed in the anterior.
TS17: 1st branchial arch maxillary component	Present	Regionally restricted	6e2	Expressed in the anterior.
TS17: 2nd branchial arch	Present	Regionally restricted	6e2	Expressed in the posterior.

Structure	Level	Pattern	Image	Note
TS17: fronto-nasal process	Present		7a5
TS17: 1st branchial arch maxillary component	Present	Regionally restricted	7a5	Expressed in the anterior.

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	7b5	Expressed in the anterior.

Structure	Level	Pattern	Image	Note
TS17: 2nd branchial arch	Present	Regionally restricted	7c5	Expressed in the posterior.

Structure	Level	Pattern	Image	Note
TS17: 3rd branchial arch	Present	Widespread	7d5

Structure	Level	Pattern	Image	Note
TS17: 4th branchial arch	Present		7e5	Localised to the endodermal (proximal) part.

Structure	Level	Pattern	Image	Note
TS17: 6th branchial arch	Present	Widespread	7f5

Structure	Level	Pattern	Image	Note
TS17: fronto-nasal process	Present		8a5

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	8b5	Expressed in the anterior.
TS17: 1st branchial arch maxillary component	Present	Regionally restricted	8b5	Expressed in the anterior.

Structure	Level	Pattern	Image	Note
TS17: 1st branchial arch mandibular component	Present	Regionally restricted	8c5	Expressed in the anterior.
TS17: 1st branchial arch maxillary component	Present	Regionally restricted	8c5	Expressed in the anterior.

Structure	Level	Pattern	Image	Note
TS17: 2nd branchial arch	Present	Regionally restricted	8d5	Expressed in the posterior.

Structure	Level	Pattern	Image	Note
TS17: 2nd branchial arch	Present	Regionally restricted	8e5	Expressed in the posterior.
TS17: 3rd branchial arch	Present	Widespread	8e5
TS17: 6th branchial arch	Present	Widespread	8e5
TS17: 4th branchial arch	Present	Regionally restricted	8e5	Localised to the endodermal (proximal) part.

Structure	Level	Pattern	Image	Note
TS19: 2nd branchial arch	Present		9e1
TS19: fronto-nasal process	Present	Regionally restricted	9e1	Expressed in the very distal nasal region.
TS19: maxillary process	Present	Regionally restricted	9e1	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: 2nd branchial arch	Present		9e2
TS19: fronto-nasal process	Present	Regionally restricted	9e2	Expressed in the very distal nasal region.
TS19: mandibular process	Present	Regionally restricted	9e2	Very localised and specific to the opposing posterior and anterior faces.

Structure	Level	Pattern	Image	Note
TS19: maxillary process	Present		10a5	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: fronto-nasal process	Present	Regionally restricted	10b5	Expressed in the very distal nasal region.
TS19: maxillary process	Present	Regionally restricted	10b5	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: fronto-nasal process	Present		10c5	Expressed in the very distal nasal region.

Structure	Level	Pattern	Image	Note
TS19: 2nd branchial arch	Present		10d5

Structure	Level	Pattern	Image	Note
TS19: fronto-nasal process	Present		11a5	Expressed in the very distal nasal region.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Present	Regionally restricted	11b5	Very localised and specific to the opposing posterior and anterior faces.
TS19: maxillary process	Present	Regionally restricted	11b5	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: mandibular process	Present	Regionally restricted	11c5	Very localised and specific to the opposing posterior and anterior faces.
TS19: maxillary process	Present	Regionally restricted	11c5	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: maxillary process	Present		11d5	Expressed in the opposing posterior and anterior faces and the lateral maxillary component.

Structure	Level	Pattern	Image	Note
TS19: 2nd branchial arch	Present		11e5
TS19: 3rd branchial arch	Absent		11e5
TS19: 4th branchial arch	Absent		11e5