Probe:	PDGFBr probe
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS15: embryo mesenchyme	Present	Widespread

Structure	Level	Pattern	Image	Note
TS17: blood vessel	Present		1A/B	Expression is present in blood vessels, including the perineural plexus.
TS17: dorsal aorta	Present		1A/B
TS17: limb mesenchyme	Present		1A/B
TS17: head mesenchyme	Present		1A/B	Expression is present in the cephalic and facial mesenchyme.

Structure	Level	Pattern	Image	Note
TS17: blood vessel	Present		2A/B
TS17: esophagus mesenchyme	Present		2A/B
TS17: trachea mesenchyme	Present		2A/B

Structure	Level	Pattern	Image	Note
TS20: gonadal mesenchyme	Present		2C/D
TS20: stomach mesenchyme	Present		2C/D

Structure	Level	Pattern	Image	Note
TS22: gut mesenchyme	Strong		2H , 2F	Expression is present in the mesenchyme between the smooth muscle layer and the gut epithelium.
TS22: gut epithelium	Absent		2F , 2H	There is no expression in the smooth muscle of the gut.
TS22: smooth muscle tissue	Absent		2F , 2H	There is no expression in the smooth muscle of the gut.

Structure	Level	Pattern	Image	Note
TS18: endocardial lining	Present		3A/B
TS18: pericardium	Present		3A/B
TS18: cardiac muscle tissue	Absent		3A/B

Structure	Level	Pattern	Image	Note
TS17: blood vessel	Present	Non-Uniform	3C , 3D	In the large blood vessels, expression is highest in the mesenchyme surrounding the endothelium.

Structure	Level	Pattern	Image	Note
TS22: choroid plexus	Present		3F	Expression is present the endothelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS17: blood vessel	Strong		4A/B , 4C	Expression is present in the hyaloid plexus, in the endothelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS24: hyaloid vascular plexus	Strong		4D/E , 4F	Expression is present in the endothelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS17: blood vessel	Present		4I , 4G/H	Expression is present in the perineural plexus, in the endothelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS24: bone marrow	Present		5A/B	There is no expression in the ossification centers or the hypertrophic cartilage.

Structure	Level	Pattern	Image	Note
TS24: embryo mesenchyme	Present	Widespread
TS24: dermis	Present
TS24: epidermis	Absent