Table 1.

Spinal cord measurements.

	L1	L2	L3	L4	L5	L6
SCD	0.75 ± 0.10	0.78 ± 0.080	0.81 ± 0.08	0.90 ± 0.08	0.94 ± 0.12	0.89 ± 0.09
SLcc	2.62 ± 0.20	2.69 ± 0.28	2.64 ± 0.28	2.53 ± 0.30	1.93 ± 0.33	1.48 ± 0.29
SLDRE	0.47 ± 0.06	0.50 ± 0.09	0.51 ± 0.11	0.54 ± 0.09	0.56 ± 0.10	0.53 ± 0.07
MFR	1.25 ± 0.19	1.19 ± 0.24	1.21 ± 0.26	1.22 ± 0.14	1.58 ± 0.29	2.17 ± 0.29

Numbers are in cm (±SD). Nomenclature: SCD, Spinal cord transverse diameter; SLcc, Spinal cord segment length caudal-to-caudal; SLDRE, Segment length at dorsal root entry; MFR, Midvertebrae foramen to rootlets length. n = 9.