Identification( الإستعراف)
-Def:- recognition of a person (living or dead) through certain characters that
differentiate him from all other persons.
-Include :-
- Skeletal remains( Bony collection),
- Identification of the living person,
- Identification of the dead body or part of dead body.
1•Are the remains human or animal?
- If complete bone....by anatomical features.
- If piece of bone (where there is no anatomical features) do Precipitin test.
-N.B:- Precipitin test:-
- Crushing a small piece of bone & suspending it in saline.
- The saline extraction is examined against human antiserum.
- This test not working with burned bone due to destruction of proteins.
2•How many bodies? ( Number of persons)..
Through:
- Repetition of the same single bones
e.g (2 skulls,2 mandibles,2 sternii..etc).
- Different sex ,age,race,Postmortem interval.
3•sex differentiation:
A) From height of long bone.
B) Based on appearance of :-
Skull,Mandible,Sternum, Pelvis,Hip bone,sacrum.
Before puberty:- It is impossible to differentiate
the sex from bone.As sexual characters aren't manifested yet.
After puberty:-It is possible to differentiate the sex from bone.
A) From height of long bone.
- By the height of the bone we can suggest sex.
- By using Karl Pearson's formula: -
Humerus = 18% of height.
-Skull :
-Sternum:-
- Hip bone :-
- sacrum :
STUDY HARD...
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