Shared Flashcard Set

Details

Forensics Test 2 Blood
N/A
28
Criminal Justice
Undergraduate 3
03/20/2012

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Cards

Term
Antigen
Definition
A substance that can stimulate the body to make antibodies
Term
Agglutination
Definition
clumping of red blood cells, will result with different antigens are mixed
Term
Person who discovered human blood types
Definition
Karl Landsteiner
Term
Kastle Meyer color test
Definition
a mixture of Phenolphthalein and hydrogen peroxide; the bloods hemoglobin will form a deep pink color
Term
Microcystalline Tests
Definition
add specific chemicals to the blood to make it form crystals with portions of the hemoglobin
Term
Leucomalachite Test
Definition
Reacts in causing the blood to turn a greenish color
Term
Luminol Test
Definition
Reacts with blood to produce
Term
Precipitin Test
Definition
Blood is injected into a rabbit, antibodies are formed, blood is extracted and will react with human proteins
Term
Absorption- Elution Technique
Definition
way to test dried blood for antibodies
Term
Dr. Leon Lattes
Definition
Created Absorption- Elution Test
Term
Paul Kirk
Definition
Famous Criminalogist. Examined blood stain patterns in the Sam Sheppard Case
Term
Shape blood droplets stay while the are falling
Definition
they remain spherical
Term
Blood droplet volume
Definition
0.03cc- 0.15cc. Not the same for all
Term
Blood Impact area
Definition
Target
Term
How do you tell where a blood stain is traveling from
Definition
The pointed end of the blood stain faces the direction the stain is traveling.
Term
Bloodstain transfer
Definition
image is recognized and may be identified with a particular object
Term
Swipe
Definition
Wet blood is transferred to a surface which did not have blood on it at first
Term
Wipe
Definition
Non blood baring object moves through a wet bloodstain
Term
High Velocity blood speed
Definition
100 FPS, small stains
Term
Medium velocity blood stains
Definition
5-25 fsp, 4mm stains
Term
Low Velocity
Definition
5 fps, 4mm or greater
Term
Sine of impact
Definition
width/ angle length of satin
Term
Point of origin
Definition
spot where blow occurred
Term
Class evidence for blood
Definition
Blood type
Term
individual evidence for blood
Definition
DNA
Term
Herbert MacDonell
Definition
Father of modern bloodstain pattern analysis
Term
Sperm tail contains what
Definition
mitochondrian chromosomes
Term
How many people are considered secretors
Definition
80%
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