Probe:	EphA3 cDNA3
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS20: cortical plate	Present		2A
TS20: ganglionic eminence	Present		2A
TS20: corpus striatum	Trace	Regionally restricted	2A	Scarcely detected in the caudate-putamen.

Structure	Level	Pattern	Image	Note
TS20: cortical plate	Present		2C , 2E
TS20: ganglionic eminence	Present		2C , 2E

Structure	Level	Pattern	Image	Note
TS21: cerebral cortex intermediate zone	Present		3A
TS21: ganglionic eminence	Present		3A
TS21: thalamus	Present	Regionally restricted	3A	Expressed in dorsal thalamus.

Structure	Level	Pattern	Image	Note
TS21: cerebral cortex intermediate zone	Present		3D
TS21: ganglionic eminence	Present		3D
TS21: thalamus	Present	Regionally restricted	3D	Expressed in dorsal thalamus.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	Present		4A
TS22: ganglionic eminence	Present		4A
TS22: thalamus	Present	Regionally restricted	4A	Expressed in dorsal thalamus.
TS22: basal ganglia	Present	Regionally restricted	4A	Expressed in claustrum.
TS22: cortical plate	Present	Regionally restricted	4A	Expressed in a narrow superficial region of the lateral cortical plate.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	Present		4B
TS22: ganglionic eminence	Present		4B
TS22: thalamus	Present	Regionally restricted	4B	Expressed in dorsal thalamus.
TS22: basal ganglia	Present	Regionally restricted	4B	Expressed in claustrum.
TS22: cortical plate	Present	Regionally restricted	4B	Expressed in a narrow superficial region of the lateral cortical plate.

Structure	Level	Pattern	Image	Note
TS23: cerebral cortex intermediate zone	Present		5A
TS23: cerebral cortex subventricular zone	Present		5A
TS23: cortical plate	Present	Regionally restricted	5A	A broader expression in the most superficial region of the lateral cortical plate than that at E14.

Structure	Level	Pattern	Image	Note
TS24: ganglionic eminence	Weak		6A	Very weak expression.
TS24: thalamus	Weak	Regionally restricted	6A	Very weak expression in the dorsal thalamus.
TS24: cortical plate	Present	Regionally restricted	6A	Relatively strong expression in the superficial regions of the lateral cortical plate.
TS24: basal ganglia	Present	Regionally restricted	6A	Relatively strong expression in the claustrum.

Structure	Level	Pattern	Image	Note
TS24: cerebral cortex intermediate zone	Present		6G	Relatively strong expression.
TS24: cerebral cortex subventricular zone	Present		6G	Relatively strong expression.
TS24: cortical plate	Present	Regionally restricted	6G	Relatively strong expression in the superficial regions of the lateral cortical plate.

Structure	Level	Pattern	Image	Note
TS26: cortical plate	Present	Regionally restricted	7A	Expressed in the superficial regions.

Structure	Level	Pattern	Image	Note
TS26: cortical plate	Present	Regionally restricted	7D	Expressed in the superficial regions.

Structure	Level	Pattern	Image	Note
TS27: cortical plate	Present	Regionally restricted	8A	Expressed in the superficial regions.

Structure	Level	Pattern	Image	Note
TS27: cortical plate	Present	Regionally restricted	8E	Expressed in the superficial regions.

Structure	Level	Pattern	Image	Note
TS23: basal ganglia	Present	Regionally restricted		Expressed in claustrum.
TS23: ganglionic eminence	Present			Weaker than that in the earlier stages.
TS23: thalamus	Present	Regionally restricted		Weaker than that in the earlier stages. Expressed in dorsal thalamus.