Abrasion collar is seen in:: (A) Gunshot injury, (B) Stab wound, (C) Drowning, (D) Railway track accident
Answer is A. Abrasion collar/ring: Proof of bullet entry wound. Due to spinning motion of bullet. Impoance: Round Abrasion collar - if the bullet hits at right angle to the skin surface. Oval abrasion collar - if the bullet hits at oblique angle to the skin surface Diameter of the entry wound + abrasion collar gives the approximate diameter of the bullet. Grease collar (bullet wipe): A black/gray colored ring is seen lining the entrance wound. Due to the deposition of lubricants, gun oil or lead from the bullet.