Table 3.

Comparative summary of electrical and thermal microstructure alterations.

Gross and Histological alterations	Lightning trauma	Thermally altered bone	References
Irregular longitudinal factures	No	Yes	[22,35]
Transverse curvilinear fractures	No	Yes	[22,35]
Soot and organic material deposition	No	Yes	[22,35]
Colour changes	No	Yes	[23,24,35]
Shape distortion and dimensional change	No	Yes	[22,24,35]
Surface patination	No	Yes	[22,35]
Thumbnail fractures	No	Yes	[22,35]
Radiating micro-fracturing	Yes	Yes	[20,43]
Circumferential micro-fracturing	Yes	Yes	[35,43]
Circumferential irregular micro-fracturing	Yes	Yes	[35,43]
Irregular micro-fracturing	Yes	Yes	[35,44,45]

Summary of the observed bone histological alterations is presented comparing occurrences observed in the high impulse current experiments and similarities described in burnt bone literature as characteristic of heat-induced skeletal modifications.