Table 1.

Lengths (in millimeters) of cn/cn and cn/+bones*

Age (weeks)	Bone	cn/cn	cn/+	Length ratio (cn/cn)/(cn/+)
2.5	T	7.2	11.2	0.64
3	F	5.8	9.0	0.64
	T	7.2	10.6	0.68
4	H	6.0	9.0	0.67
	H	6.0	9.0	0.67
	H	6.5	9.5	0.68
	F	7.0	12.2	0.57
4.5	H	7.0	10.5	0.67
	F	7.2	12.0	0.60
	T	8.7	13.5	0.64
6	H	6.5	10.	0.65
	H	7.0	10.8	0.65
	H	7.0	11.0	0.64
6.5	H	8.0	11.0	0.73
	F	8.7	13.0	0.67
	T	10.3	15.7	0.66
	T	10.6	16.0	0.66
				0.65 (±0.03, [N =17])

H humerus; F femur; T tibia.

*measurements are from age-matched, side-matched littermates.