1. A-Wounds caused by sharp instruments:
Incised (Cut) wounds.
Stab wounds.
Stab penetrating wounds.
Transfixing wounds.
Defense wounds

2. I-Incised (cut) wound:
Definition :
Characters:
1- The edges
2- The length
3- Gaping of the edges
4- Bleeding
5- Liability to sepsis
6- Healing

3. 3 months: Scar becomes coppery. 6 months: Scar is thin and pale,
Its age can be determined to know the time of its infliction by histological examination
30 minutes – 4 hours:
Margination of polymorph nuclear leucocytes
48 hours:
Pus may be present if sepsis occurs.
10-15 days:
Complete healing by primary intention if no sepsis.
3 weeks: Red scar .
3 months: Scar becomes coppery.
6 months: Scar is thin and pale,

4. Stab wound: Definition: Unibladed knife or Bibladed knife Characters:
More deep than long
The edges
The shape of the wound may be changed if
They are very dangerous
A broken tip of the weapon may be found in the wound .

5. Types of stab wounds: Ordinary stab wounds . Punctured wounds
Penetrating wounds (3PMS)
Transfixing wounds

6. Defense wounds Fabricated wound: Definition Characters: Definition:
1- Injuries sustained by grasping the weapon:
2- Injuries sustained during raising the hand

7. 2- Wounds caused by blunt instruments:
Abrasions.
Bruises (contusion).
Lacerations.

8. Abrasion Definition Causative instrument Types linear Sliding Pressure
Impact
Bite

9. ML importance of abrasions
Violence
Its shape
Its site
Its age
Cut and contused wounds

10. Contusions
Definition
Types
Factor affecting size
ML importance

11. Contused wounds Definition Characters
Deference between cut and contused W