Identification Flashcards
Person cease to increase in height after
25 years old
Distance between surpasternal notch and symphysis pubis is about __ of height
1/3
Length of the head is __ of the height
1/8
[Bertillon] the human skeleton is unchangeable after
20 years old
Fingerprints are formed during
4 months AOG
Impression of finger bulbs with the use of printing ink on the surface of the paper
Real impression
Bulbs of the thumb and other fingers are rolled on the surface of the paper after being rolled on the ink pad
Chance impression
Impression made by chance and is visible without previous treatment
Visible print
Made by chance by pressing the fingertips on melted paraffin, putty, resin
Plastic print
Not visible after impression but made visible by addition of some substances
Latent print
Fingerprint pattern: ridges go from one side of the pattern to another, never turning back to make a loop
Arches
Fingerprint pattern: one more more ridges enter on either side, recurves and terminate or tend to terminate on the same side from which it entered
Loops
Fingerprint pattern: patterns with two deltas and patterns too irregular in form to classify
Whorls
Eruption of 28 permanent teeth
13 years old
12 permanent teeth
9 years old
20 permanent teeth
8 premolars
11 years old
Sex: Egg-shaped obturator foramen
Male
Sex: Angular obturator foramen
Female
Sex: Curve of iliac crest reaches a higher level
Male
Sex: Larger mastoid process
Male
Sex: Longer and slender styloid process
Female
Sex: Sharper superciliary ridges
Female
Race: square forehead
Mongolian
Race: square skull
Mongolian
Race: small forehead
Negro
Blood: crystals varying from salmon color to dark brown and pink and which irregular rhomboids or in clusters may be seen
Hemochromagen crystal test
Takayama test
Blood: dark brown rhombic prisms of chloride of hematin are formed. Best of microchemical test
Teichmann’s blood crystals or Hemin crystals test
Blood: small dark dichroic acicular crytals of acetone haemin are seen
Acetone-haemin ofr Wagenhaar test
Blood: benzidine test
(+) = blue
Blood: guaiacum
Van Deen’s test or Schombein’s test
(+) = blue
Blood: phenolphthalein test
Kastle-Meyer test
(+) = pink
Blood: determines whether the blood is of human or not. A positive reaction is manifested as an area of haziness in the form of white ring
Precipitin test