Probe:	semG probe1
Probe preparation:	labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS19: neural tube ventricular layer	Present			Expression mainly in ventricular zone.
TS19: neural tube marginal layer	Present			Expression begins to appear in marginal zone at E11.5

Structure	Level	Pattern	Image	Note
TS20: spinal cord ventricular layer	Present		2G	Expression mainly in ventricular zone.
TS20: spinal cord marginal layer	Present		2G

Structure	Level	Pattern	Image	Note
TS23: spinal cord ventricular layer	Present		4G
TS23: spinal cord gray matter	Weak	Regionally restricted	4G	Lower level of expression mainly in gray matter of ventral spinal cord.
TS23: trunk connective tissue	Present	Regionally restricted	4G	Expression in connective tissues separating individual muscle masses.

Structure	Level	Pattern	Image	Note
TS20: telencephalon	Strong	Regionally restricted		Strong expression in neuroepitehlium of telencephalic vesicle.

Structure	Level	Pattern	Image	Note
TS23: brain ventricular layer	Present	Widespread	6G	Expression in ventricular zones of all ventricles.
TS23: cerebral cortex	Present		6G	Expression in cortical neuroepithelium.
TS23: spinal cord	Present		6G	Expression in neuroepithelium throughout out brain and spinal cord.

Structure	Level	Pattern	Image	Note
TS23: brain	Present	Regionally restricted		Authors report expression in distinct cell clusters in striatum, pallidum, thalamus and tegmentum.

Structure	Level	Pattern	Image	Note
TS23: telencephalon ventricular layer	Present		7D
TS23: ganglionic eminence	Present	Regionally restricted	7D	Expression in ventricular zone of ganglion eminence.