Probe:	Car2 cDNA
Probe preparation:	Antisense RNA

Structure	Cell Type	Level	Pattern	Image	Note
TS23: cochlear duct mesenchyme		Present	Regionally restricted	2B	Transcripts were expressed in mesenchymal cells adjacent to the stria vascularis, spiral limbus, and basilar membrane.
TS23: greater epithelial ridge	epithelial cell	Weak		2B' , 2B
TS23: cochlear duct epithelium	epithelial cell	Weak	Regionally restricted	2B , 2B'	Weak expression was detected in epithelial cells in the outer sulcus.
TS23: vestibular component mesenchyme		Weak	Widespread	2B	Weak and broad expression was detected in mesenchymal tissues surrounding the sensory organs.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: cochlea	type 2 otic fibrocyte	Strong		2D' , 2D
TS28: cochlea	type 4 otic fibrocyte	Strong		2D' , 2D
TS28: bony otic capsule		Strong	Regionally restricted	2D' , 2D	Expression was detected in bone marrow.
TS28: cochlea	type 1 otic fibrocyte	Weak		2D , 2D'
TS28: stria vascularis		Weak	Regionally restricted	2D' , 2D	Weak expression was observed in the apical and basal margins of stria vascularis.
TS28: organ of Corti	cochlear outer hair cell	Weak		2D , 2D'

Structure	Cell Type	Level	Pattern	Image	Note
TS28: inner ear		Present	Widespread	2E	Broad expression continued during neonatal development.
TS28: cochlea	otic fibrocyte	Weak		2E
TS28: basilar membrane		Weak		2E
TS28: internal spiral sulcus		Weak		2E
TS28: otic capsule		Weak		2E
TS28: stria vascularis		Weak		2E