INVESTIGATIONS 3RD EDITION ANTHONY
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⫸ ADH (accumulated degree hours). Answer: number of hours at an
adjusted average temperature it takes for an insect species to develop to
a given stage
⫸ acute poisoning. Answer: a high dose over a short period of time
⫸ addiction. Answer: a physical process associated with drug use
whereby a person craves a drug; failure to take the drug can result in
withdrawal symptoms
⫸ adhesion. Answer: An attraction between molecules of different
substances
⫸ adipocere. Answer: fatty substance occurring in corpses left in moist
areas
⫸ agglutination. Answer: Clumping of microorganisms or blood cells,
typically due to an antigen-antibody interaction.
,⫸ algor mortis. Answer: The cooling of the body after death
⫸ allele. Answer: An alternative form of a gene
⫸ amorphous. Answer: shapeless, without definite form; of no
particular type or character; without organization, unity, or cohesion
⫸ ammunition. Answer: any material fired from a pistol or long gun
⫸ angiosperm. Answer: a flowering plant that produces seeds within a
fruit
⫸ angle of impact. Answer: angle at which blood strikes a target surface
relative to the horizontal plane of the target surface
⫸ antemortem. Answer: before death
⫸ arch. Answer: a fingerprint pattern in which the ridge pattern
originates from one side of the print and leaves from the other side
⫸ area of convergence. Answer: a two-dimensional view of the
intersection of lines formed by drawing a line through the main axis of at
least two drops of blood that indicates the general area of the source of
the blood spatter
,⫸ area of origin. Answer: the location of a blood source viewed in three
dimensions as determined by projecting angles of impact of individual
bloodstains
⫸ assemblage. Answer: a group of plant species in an area dominated
by one species that share the same habitat requirements
⫸ autolysis. Answer: the breakdown of cells as they self-digest
⫸ automatic firearm. Answer: a firearm that continuously fires
ammunition as long as the trigger is held
⫸ backscatter. Answer: fragments of glass left on the side of an impact
⫸ ballistic evidence. Answer: evidence associated with the discharge of
a projectile from a firearm
⫸ ballistic examiner. Answer: a person certified to analyze and provide
expert witness testimony on ballistic evidence
⫸ ballistics. Answer: the study of the dynamics or flight characteristics
of projectiles
⫸ becke line. Answer: a halo-like ring that appears around the edge of
glass when placed in a liquid medium with a refractive index that differs
from the refractive index of the glass
, ⫸ biological profile. Answer: estimation of the deceased's sex, age,
stature, and ancestry, along with diseases and injuries, as derived from
analysis of skeletal remains
⫸ biometrics. Answer: uses measurements and statistical analyses of
someone's physical characteristics to aid in their identification
⫸ breech. Answer: the end of the barrel attached to the firing
mechanism of a firearm where the cartridge is loaded and unloaded
⫸ breech block. Answer: a metal block that closes the aperture at the
back part of a rifle or gun barrel
⫸ breech block impression. Answer: the impression created on the
bottom of the cartridge casing as a result of the backward strike of the
casing against the breech block at the moment of firing
⫸ bullet. Answer: the projectile that is released when a firearm is
discharged
⫸ bulletproof glass. Answer: combination of 2 or more types (one hard
and one soft), soft layer can flex instead of shatter, up to 3 inches thick,
common usage in windows of business buildings
⫸ caliber. Answer: the inside diameter of a firearm barrel