Table 1. Sources of astrocytes in the cerebral cortex.

Sources	Methods	Species	References
Radial glia	Golgi staining	Monkey	Schmechel and Rakic, 1979
	Labeling with DiI	Ferret	Voigt 1989
	Labeling with dyes (DiI/DiA)	Human (fetus)	deAzevedo et al., 2003
	Organotypic slice cultures and time-lapse imaging	Rat	Noctor et al., 2004
	Organotypic slice cultures and time-lapse imaging	Mouse	Burns et al., 2009
	Genetic tracing	Mouse	Magavi et al., 2012
	Adenovirus-Cre infection	Mouse	Tsai et al., 2012
SVZ progenitors	Radioautography	Mouse	Smart, 1961
	Radioautography	Rat	Lewis, 1968
	Radioautography	Rat	Paterson et al., 1973
	Radioautography	Mouse	Paterson, 1983
	Retroviral labeling	Rat	Levison et al., 1993
	Retroviral labeling	Rat	Levison and Goldman, 1993
	Retroviral labeling	Mouse	Marshall and Goldman, 2002
NG2 glia	Genetic tracing	Mouse	Zhu et al., 2008
	Genetic tracing	Mouse	Guo et al., 2009
Locally proliferating glia	Radioautography	Rat	Kaplan and Hinds, 1980
	Retroviral labeling	Rat	Price and Thurlow, 1988
	Retroviral labeling	Rat	Levison and Goldman, 1993
	Organotypic slice culture and time-lapse imaging	Mouse	Burns et al., 2009
	In vivo imaging, retroviral labeling, and genetic tracing	Mouse	Ge et al., 2012
	Genetic tracing	Mouse	Magavi et al., 2012