痕

trace

bloodstain

bullet hole

trace fossil

operation scar

rifling marks on a fired bullet

notch

linear mark

vestigial (rudimentary) organ

trace fossil

vestige

feeding signs (of an animal, e.g. teeth marks in nuts, holes in leaves)

injection scar (e.g. injected drugs)

impression

impact mark

scar

extractor mark (on a cartridge)

creating patterns in human flesh through scarification

bullet hole

glacial striae

stigmata

ejector mark (on a cartridge)

scar tissue

pockmark

sword scar

love is blind

ink marks

stria (carved out by a glacier, etc.)

brake marks

scar (e.g. from operation, injection)

skid mark

footprints (of a suspect at a crime scene)

tracer bullet

fingernail mark

scar contracture

in bold, vivid brush strokes

ripple mark

scar