Probe:	BR11
Probe preparation:	Antisense labelled with P32 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS23: central nervous system	Present	Regionally restricted	4a	Expression is present throughout the developing central nervous ystem.
TS23: midbrain ventricular layer	Strong		4a
TS23: midbrain mantle layer	Absent		4a
TS23: spinal cord	Present	Regionally restricted	4a	Expression is present in the ventral region.
TS23: cerebral cortex intermediate zone	Present		4a
TS23: cortical plate	Present		4a
TS23: cerebral cortex ventricular layer	Absent		4a
TS23: olfactory lobe	Strong		4a	There is strong expression in the olfactory bulb.
TS23: cerebellum	Weak		4a
TS23: hypothalamus	Weak		4a
TS23: pons	Weak		4a
TS23: thalamus	Weak		4a
TS23: embryo	Present	Regionally restricted	4a	Expression is present in connective tissue throughout the embryo with a strong signal present in areas of condensations of connective tissue.
TS23: lung	Present	Regionally restricted	4a	Expression is present in the supportive tissue of the developing lung.
TS23: limb mesenchyme	Present	Regionally restricted	4a	Expression is present in the cartilage of the limb buds.
TS23: nose	Present	Regionally restricted	4a	Expression is present in the cartilage of the developing nasal structures.

Structure	Level	Pattern	Image	Note
TS23: hindbrain	Present	Regionally restricted		There is expression in the ventricular zone but not in the mantle region.
TS23: spinal cord ventricular layer	Present
TS23: gut	Present	Regionally restricted		Expression is present in the mesentery of the gut.