Chapter 10 Flashcards
serology
study of bodily fluids left at crime scene
presumptive test
highly sensitive but not specific for a particular substance
Confirmatory test
test for substance in question and only that substance
blood
tissue composed of plasma
3 types of cells in plasma
red
white
platelets
Erythrocytes
transfers oxygen ans CO2 through body
red blood cells
Leukocytes
white blood cells
active in immune system
Platelets
fragments of cell, no nuclei and clotting
genetic markers
blood group
class of antigens produced by allelic genes
ABOVE
Presumptive tests reacts?
with hemoglobin in blood
Presumptive color test
hydrogen peroxide reacts with hemoglobin and changed colors
presumptive light emission
if area is large
luminal or flourescein
Confirmatory test for blood
utilize the formation of crystals with heat and chemicals
Takayama test
salmon colored crystals
Species origin
Ouchterlony test
antigen reaction between human and human antiserum