Table 1 Measurements (Mean ± SD) of the nerves on cadavers.

From: Ipsilateral S2 nerve root transfer to pudendal nerve for restoration of external anal and urethral sphincter function: an anatomical study

 

TD(mm)

LD(mm)

CA(mm2)

N

L(cm)

S2

2.98 ± 0.57

3.55 ± 0.71

8.57 ± 3.03

6005 ± 1479

 

PN

2.77 ± 0.44

3.16 ± 0.46

7.02 ± 2.04

5708 ± 1143

 

SN

2.62 ± 0.39

3.03 ± 0.38

6.33 ± 1.61

5607 ± 1305

10.69 ± 1.67

  1. Note: Values are presented at the Mean ± SD. S2, S2 nerve root; PN, pudendal nerve; SN, sural nerve; TD, transverse diameter; LD, longitudinal diameter; CA, cross-sectional area; N, number of myelinated axons; L, distance from the right S2 nerve root origin to the pudendal nerve at inferior border of piriformis.