The threaded bolt injury pattern.
D000293:Adolescent; D000328:Adult; D005554:Forensic Medicine; D006801:Humans; D008297:Male; D008875:Middle Aged; D012535:Scalp / Q000293:injuries*; D012886:Skull / Q000293:injuries*; D014949:Wounds, Nonpenetrating / Q000473:pathology*