Table 1. Average number of surface projections or missing stereocilia/outer hair cell^a.

		Base		mid		apex
		P5	P10	P5	P10	P5	P10
SurfaceProjections	+/+	117±4	111±4	112±5	103±5	123±8	83±4
	+/je	111±5	107±4	108±4	102±6	110±6	82±4
	je/je	110±21	27±6*	110±10	31±7*	141±9	81±14
Missing stereocilia	+/+	-	0.5±0.8	-	0.1±0.3	-	0.8±0.8
	+/je	-	4.3±2.8*	-	1.1±1.2*	-	1.3±1.2

^aMean ± SD (n = 30 hair cells).

*Significantly different from +/+ control, p<0.001.