CSI Glossary

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This page is to define any terms used in the show.

Term Definition
Accumulated Degree Hours Accumulated Degree Hours, or ADH, is the process used to measure fly development.
AFIS Automated Fingerprint Identification System
AK-47 Assault rifle capable of 600 rounds per minute
ALS Alternative Light Source
Asphyxia When a body becomes deprived of oxygen.
Ballistics The use of analyzing the use of firearms in criminal acts.
BFT Blunt Force Trauma
Biometrics Technologies that measure and analyse human body characteristics, such as fingerprints, eye retinas and irises, voice patterns, facial patterns and hand measurements.
Bite Mark Comparison Identifying teeth impressions left on a victim
Blood Spatter The pattern made by a bloodstain
Carrion Insects Insects that feed on or are associated with decomposing bodies.
Caucasion A human racial classification distinguished by very light to brown skin, and includes people indigenous to Europe, North Africa, Western Asia and India.
CGI Computer Generated Imagery
C.O.D Cause of Death

Term Definition
Dentition The position, type and number of teeth in the upper and lower jaw.
DNA Deoxyribonucleic acid, or DNA, is an acid found in every cell of the body. Similar to fingerprints, DNA is unique to each individual.
Entomologist Person who studies insects
Entomology The scientific study of insects
Epiphyses The end portions of the long bones where growth occurs, later fusing to the main bone.
Exoskeleton External casing that supports and animal's body
Fingerprint Impression made on a surface by the fine ridges on the fingertips.
Forensic Anthropology The application of the science of physical anthropology and human osteology in a legal setting, most often in criminal cases where the victim's remains are more or less skeletonized.
Forensic Ballistics The science of analysing firearm usage in crimes.
Forensic Odontology The application of dentistry to the investigation of crime.
GC/MS: Gas Chromatography-mass Spectrometry Instrument used to identify various substances within a sample.
GSR Gun Shot Residue (...or a relationship on CSI)

Term Definition
Henry Classification System Fingerprint classification system.
Insulin A hormone needed to convert sugar (glucose), starches and other food into energy needed for daily life.
Latent Print Fingerprint impression made by the skin's secretions such as sweat, sebum and dead skin cells. Latent prints are usually invisible until detected.
Lone State Nickname for the state of Texas

Term Definition
Matrilineage Genes passed though the maternal line.
Mitochondria Structures within cells that convert energy from food into a form cells can use.
Mitochindrial DNA Genetic information extracted from the Mitochindria inherited from the mother.
M.O. Modus Operandi
Ninhydrin A chemical used to detect fingerprints on pourous materials such as paper.
Nuclear DNA DNA present in the nucleus of a cell inherited from both parents.
Osteography The study and description of bones.
Patent Print Visible fingerprint impression left behind in a substance such as paint, ink or blood.
Pathology The study and diagnosis of disease through examination of organs, tissues, cells and bodily fluids.
Photosuperimposition A forensic technique in which a photographic image of a bare skull is superimposed on to a photograph taken in life, as a means of identification.
Plastic Print Visible fingerprint impression left behind in a malleable substance such as clay, soap or wax.
PMI The Post Mortem Interval, or PMI, is the length of time passed since death.
Postmortem Artifacts Damage that occurs to a body after death
Putrefaction The decomposition of animal proteins

Term Definition
Serial Killer A person who murders three or more people with a 'cooling off' period between each murder and whose motivation for killing is largely based on psychological gratification.
Striation Distinct marking left on a bullet when it passes through a gun barrel
T.O.D The Time of Death of the victim.
Trajectory The path a moving object follows through space
Type 1 Diabetes Condition where the body fails to produce insulin. Sufferers must take insulin to regulate the levels of glucose in their bloodstream.
Type 2 Diabetes Condition where the body does not produce enough insulin or the cells ignore insulin.

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