Table 3. Histological analysis of treated peripheral nerve segments.

Animal #	Proximal nerve		Lesion a	Distal nerve
Distance from lesion	+12–14 mm	+6–7 mm	0 mm	-6-7 mm	-12-14 mm
1 SCN right,	NA	NA	No evident	NA	NA
distal			changes
1 SCN right, proximal	Nuclear changes a	NA	Vascular congestion	NA	NA
			Nuclear changes
			Widening perineural space
2 SCN left	Normal	Widening perineural space	Vascular congestion	Normal	Normal
			Collagen damage
			Nuclear changes
			Myelin damage
			Widening perineural space
2 SCN left	Normal	Widening perineural space	Vascular	Vascular	NA
(muscular branch)			congestion	congestion
			Collagen damage
			Nuclear changes
			Myelin damage
			Widening perineural space
			Perineural edema
2 SCN right	Normal	Normal	Vascular congestion	Normal	Normal
			Collagen damage
			Nuclear changes
			Myelin damage
			Widening perineural space
3 SCN left	Normal	Normal	Vascular congestion, hemorrhage	Vascular congestion	Widening perineural space
			Collagen damage	Nuclear changes	Perineural edema
			Nuclear changes	Widening perineural space
			Widening perineural space	Perineural edema
			Perineural edema
3 SCN right		Normal	Vascular congestion	Widening perineural space	Widening perineural space
			Collagen damage
			Nuclear changes
			Myelin damage
			Widening perineural space
			Perineural edema

Abbreviations: SCN, sciatic nerve; NA, not available

^a Based on 3 cross-sections though lesion center and at 6–7 mm proximal and distal from the lesion center (lesion borders)