Probe:	SDF-1-alpha-cDNA
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS19: brain	Strong	Regionally restricted		Expression is in the meninges, absent in the cortical parenchyme.

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex intermediate zone	Present	Regionally restricted	1A	Expression is in a small part of the intermediate zone close to the pallial-subpallial boundary, absent in the subpallium.
TS20: telencephalon	Present	Regionally restricted	1A	Expression is in a small part of the intermediate zone close to the pallial-subpallial boundary, absent in the subpallium.

Structure	Level	Pattern	Image	Note
TS21: telencephalon meninges	Strong		1B
TS21: cerebral cortex	Present	Regionally restricted	1B	Expression is from the pallial-subpallial boundary to the dorso-lateral part of the neopallium.
TS21: telencephalon	Present	Regionally restricted	1B	Expression is from the pallial-subpallial boundary to the dorso-lateral part of the neopallium.

Structure	Level	Pattern	Image	Note
TS21: cerebral cortex	Present	Regionally restricted	2C , 2A	Panel C is the merged image of the double-labeled section. Expression is in the intermediate zone.
TS21: cerebral cortex intermediate zone	Present	Regionally restricted	2A , 2C	Panel C is the merged image of the double-labeled section. Expression is in the intermediate zone.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	Present	Regionally restricted	3A , 3B	Expression is in a continuous band in the intermediate zone extending from the pallial-subpallial borderline throughout the neo-and archipallium.
TS22: cortical plate	Weak		3B , 3A
TS22: telencephalon ventricular layer	Absent		3A , 3B
TS22: telencephalon meninges	Strong		3B , 3A

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex	Present	Regionally restricted	3C , 3D	Expression is in a zone just dorsal to the pallial-subpallial borderline.
TS22: telencephalon meninges	Strong		3D , 3C

Structure	Level	Pattern	Image	Note
TS23: telencephalon	Present	Regionally restricted		Expression is in a continuous band in the intermediate zone extending from the pallial-subpallial borderline throughout the neo-and archipallium.
TS23: cerebral cortex intermediate zone	Present
TS23: cortical plate	Weak
TS23: telencephalon meninges	Strong

Structure	Level	Pattern	Image	Note
TS24: cerebral cortex intermediate zone	Weak		4A
TS24: telencephalon	Weak	Regionally restricted	4A	Expression is in the deepest part of the intermediate zone as well as the narrow zone lining the pallial-subpallial boundary. Higher magnification was shown in the inset.
TS24: telencephalon meninges	Strong		4A

Structure	Level	Pattern	Image	Note
TS25: telencephalon	Weak	Regionally restricted	4B	Expression is in the deepest part of the intermediate zone as well as the narrow zone lining the pallial-subpallial boundary and the cortical plate of the dorsal cortex.
TS25: cerebral cortex intermediate zone	Weak		4B
TS25: cortical plate	Weak		4B
TS25: telencephalon meninges	Strong		4B

Structure	Level	Pattern	Image	Note
TS26: cerebral cortex intermediate zone	Trace		4C
TS26: cortical plate	Weak	Regionally restricted	4C	Weak in the cortical plate of the dorsal cortex.
TS26: telencephalon meninges	Strong		4C

Structure	Level	Pattern	Image	Note
TS27: cerebral cortex	Weak	Regionally restricted	4D	Expression is in the cortical plate of the dorsal cortex and in the ventro-lateral cortex.
TS27: meninges	Strong		4D