Probe:	Lox cDNA3
Probe preparation:	Antisense labelled with S35 RNA

Structure	Level	Pattern	Image	Note
TS19: outflow tract cardiac muscle	Present		2B , 2A
TS19: atrioventricular canal	Present	Regionally restricted	2A , 2C	Expression is in the myocardial layer.
TS19: ventricle cardiac muscle	Present		2A , 2D
TS19: cardiac muscle tissue	Weak		2C , 2A , 2B
TS19: endocardial cushion	Absent		2A , 2B , 2C
TS19: outflow tract aortic component	Absent		2A , 2B	Absent in the proximal aortic arch vessels.

Structure	Level	Pattern	Image	Note
TS21: pulmonary artery	Present	Regionally restricted	2E , 2G	Expression is in the vessel walls.
TS21: endocardial cushion	Present	Regionally restricted	2E , 2G , 2H	Expression is in the mesenchymal cells of the right ventricular outflow tract.
TS21: ascending aorta	Present	Regionally restricted	2E , 2H	Expression is in the vessel walls.
TS21: atrioventricular endocardial cushion	Moderate		2I , 2E
TS21: outflow tract	Present	Regionally restricted	2H , 2G , 2E	Expression is on the vascular side.

Structure	Level	Pattern	Image	Note
TS21: dorsal aorta	Present	Regionally restricted	2J	Expression is in descending aorta.
TS21: lung parenchyma	Present		2J
TS21: vertebral cartilage condensation	Present	Regionally restricted	2J	Expression is in the chondrocytes.

Structure	Level	Pattern	Image	Note
TS22: visceral pericardium	Present		2K
TS22: ventricle cardiac muscle	Weak		2K

Structure	Level	Pattern	Image	Note
TS21: skin	Present