Snorting - the viley stench of putrescence
Coffin - lies exhumed in front of me
Foul stiff - strewn with papillae and pores
Fermenting - stiff corpse putrefies

Slicing, bisecting, incising the stiff
[ Lyrics from: http://www.lyricsfreak.com/n/necrophagist/foul+body+autopsy_20564192.html ]
Stomach wall is opening
Primitive diagnosis...
Remove internal organs
Primitive autopsy...

Sawing - the weak head of the corpse I saw
Slicing - celebral bisection
Eviscerate - slushy bowels ripped out at once
Perfecting - foul body autopsy