Probe:	eNOS probe
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography
Assay notes:	Probess were alkali hydrolyzed to a mean size of 70 nucleotides.

Structure	Level	Pattern	Image	Note
TS15: blood vessel	Present	Regionally restricted	6A	Expression is in the endothelium of developing blood vessels, including the arteries of the aortic arch, intersomitic arteries, vessels of the limb bud, and vessels at the periphery of the neural tube and the brain.
TS15: endocardial lining	Present		6A

Structure	Level	Pattern	Image	Note
TS19: blood vessel	Present	Regionally restricted	6B	Expression is in the larger blood vessels of the developing pharynx, in the central vessels of the limb bud, and is strong in the intersomitic arteries.
TS19: atrium endocardial lining	Present		6B
TS19: basilar artery	Present		6B
TS19: dorsal aorta	Present		6B
TS19: umbilical artery	Present		6B
TS19: umbilical vein	Present		6B
TS19: ventricle endocardial lining	Present		6B

Structure	Level	Pattern	Image	Note
TS22: blood vessel	Present	Regionally restricted	6C	Expression is restricted to medium- to large-sized blood vessels and include vessels of the hindlimb, vessels of the stomach, intestine, lung, and in endothelial cells of the blood vessels surrounding the forebrain and hindbrain.

Structure	Level	Pattern	Image	Note
TS22: blood vessel	Present	Regionally restricted	6D	Expression is restricted to medium- to large-sized blood vessels and include vessels of the hindlimb, vessels of the stomach, intestine, lung, and in endothelial cells of the blood vessels surrounding the forebrain and hindbrain.

Structure	Level	Pattern	Image	Note
TS25: atrium endocardial lining	Present
TS25: ventricle endocardial lining	Present

Structure	Level	Pattern	Image	Note
TS19: apical ectodermal ridge	Present