Probe:	MGC clone 18378
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS20: cortical preplate	Present	Regionally restricted	1A	Expression is in the pallium up to the medially located cortical hem.
TS20: cerebral cortex ventricular layer	Present	Regionally restricted	1A	Expression is in the subpallial ventricular zone up to the medially located cortical hem.
TS20: ganglionic eminence	Present		1A

Structure	Level	Pattern	Image	Note
TS20: cortical preplate	Present		1B

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex	Present	Regionally restricted	1D , 1F , 1H	Expression is in Cajal-Retzius cells.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex	Present	Regionally restricted	1E , 1I , 1G	Expression is in cells just below Cajal-Retzius cells and is absent in 90% of Cajal-Retzius cells.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex	Present		2C

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex	Absent		2D

Structure	Level	Pattern	Image	Note
TS19: telencephalon	Present			Expression is in the subpallial ventricular zone and in the preplate in the pallium up to the medially located cortical hem.