Probe:	Grg3a cDNA
Probe preparation:	Antisense labelled with digoxigenin RNA
Visualized with:	Alkaline phosphatase
Assay notes:	The expression represents the longer form of the alternately spliced products of the gene.

Structure	Level	Pattern	Image	Note
TS20: spinal cord ventricular layer	Strong	Widespread	6C , 6A	Expressed in the entire length. Strong expression in the layer of cells immediately lining the lumen.
TS20: dermomyotome	Present		6A
TS20: gut epithelium	Present		6A
TS20: hindlimb mesenchyme	Present		6A
TS20: lung epithelium	Present		6A
TS20: remnant of Rathke's pouch	Present		6A
TS20: sclerotome	Present		6A
TS20: thymus primordium	Present		6A
TS20: diencephalon lateral wall	Present		6B , 6A
TS20: lens vesicle	Present		6B , 6A
TS20: neural retinal epithelium	Present		6B , 6A
TS20: dorsal root ganglion	Present		6A , 6C
TS20: metencephalon lateral wall	Present	Regionally restricted	6B	Strong expression in the layer of cells immediately lining the lumen.
TS20: telencephalon	Present	Regionally restricted	6B	Strong expression in the layer of cells immediately lining the lumen.

Structure	Level	Pattern	Image	Note
TS24: cerebellum	Present		7A
TS24: cerebral cortex ventricular layer	Present		7A
TS24: cortical plate	Present		7A
TS24: nasal cavity epithelium	Present		7A
TS24: olfactory lobe	Present		7A
TS24: superior colliculus	Present		7A
TS24: tooth	Present		7A

Structure	Level	Pattern	Image	Note
TS20: metanephros	Weak
TS20: tongue muscle	Present			Expressed in the dorsum and intrinsic muscles.
TS20: oral region	Present	Regionally restricted		Expressed in the dental laminae of the tooth primordia.