Probe:	Raldh1 cDNA
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography
Assay notes:	The probe length was reduced to approximately 150 nucleotides by alkaline hydrolysis.

Structure	Level	Pattern	Image	Note
TS26: lateral semicircular canal epithelium	Present		1A
TS26: crus commune	Present		1A
TS26: endolymphatic duct	Present	Regionally restricted	1A	Expression is absent in the endolymphatic sac.
TS26: utricle	Present	Regionally restricted	1A	Expression is in the lateral border of the utricle.
TS26: cochlea epithelium	Absent		1A	Absent in the differentiating sensory epithelia.

Structure	Level	Pattern	Image	Note
TS26: cochlea	Present	Regionally restricted	3A	Expression is in small lateral regions.

Structure	Level	Pattern	Image	Note
TS26: lateral semicircular canal	Present	Regionally restricted		Expression is absent in the crista sensory and non-sensory region.
TS26: posterior semicircular canal	Present	Regionally restricted		Expression is absent in the crista sensory and non-sensory region.
TS26: superior semicircular canal	Present	Regionally restricted		Expression is absent in the crista sensory and non-sensory region.
TS26: endolymphatic duct	Present
TS26: crus commune	Present
TS26: saccule	Present	Regionally restricted		Expression is present in the non-sensory region and absent in the sensory region.
TS26: utricle	Present	Regionally restricted		Expression is present in the non-sensory region and absent in the sensory region.
TS26: organ of Corti	Absent			Including Kolliker's organ.
TS26: cochlear duct	Present	Regionally restricted		Expression is present in the Claudius/Hensen cell region and absent in the stria vascularis.
TS26: inner ear	Present	Regionally restricted		Expression is present in the basilar membrane and absent in the Reissner's membrane.
TS26: cochlear ganglion	Absent
TS26: vestibulocochlear nerve cochlear component	Absent
TS26: otic cartilage	Absent
TS26: vestibular ganglion	Absent