Forensics Science

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Forensics Science
The application of science to criminal invenstigation or law
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Drug
A medicine or other substance that has some physiological effect when consumed
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Pharmacology
The study of all effects of chemicals on living organisms
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Toxicology
The study of toxic or adverse effects of chemicals
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Pathology
The study of the causes and effects of diseases, especially in a lab enviorment
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Odontology
The study of how denistry and other oral scenarios may affect criminal investigation
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Criminalistics
Analysis of physical evidence
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Entomology
Analysis of insects and their role on deceased individuals
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Anthropolgy
Analysis of Bodily Remains
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Pharmacologist
A scientiest who in addition to being trained in the priniciples of pharmacology, studies other physiology, biochemistry, and pathology
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Toxicologist
Someone who uses the same principles of a pharmacologist, but generally only studies toxic or adverse effects of chemicals
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Acute Effect
Effects of a chemical that occur soon after exposure
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Chronic Effect
Effects of a chemical that occur long after exposure to said chemical
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GABA (Gamma-aminobutyric acid)
A neurotransmitter that influences the sensation of pain, memory, mood, coordination. Affected by GHB and benzodiazepines.
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Vitreous Humor
Fluid inside of the eyeball
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Pharmacodynamics
The mechanics that bring about physiological and pathological effects
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Pharmacokinetics
How the chemical is absorbed, distributed, metabolized, and exerted
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Metabolites
A substance formed in or necessary for metabolism
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Expert Witness
A pharmacologist or any scientific professional that witnessed a crime and can give a testimony from the perspective of an expert
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Plaintiff
The one thats not the defendent, person who brings case against another in the court of law
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Defendent
The one thats not the plaintiff, individual being accused of crime or violation
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Alveoli
The cell of the lungs
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Passive Diffusion
Based on the difference in the concentration of the chemical outside of the cell compared to the inside of the cell
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Lipophilic
Lipid-loving chemicals
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pH
The acidity or base of the chemical
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Vesicles
Small pouches that form from the engulfment of chemical in the membrane and are used to transport the chemicals inside the cell
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Pinocytosis
The process of transporting chemicals through diffusion
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Blood Brain Barrier
A type of cell that forms a tight covering on the capillary and prevents or slows down large molecules from passing between cells
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Central Nervous System (CNS)
The system which consists of the brain and spinal cord
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Xenobiotics
Chemicals that are foreign to the body and must undergo metabolism in the liver
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Glucuronide
Any substance linking acids via glycosidic bond
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Endoplasmic Reticulum
A network of tubules in the cytoplasm of the cell that synthesizes lipids and proteins
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Enterohepatic Ciruclation
The process by which drugs are moved from bile to the intestine to the liver and back until it they are completely removed from the system
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Half-life
The time in which the concentration of a drug reduces by 50%
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Plasma
The fluid in which blood cells flow
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Norepinephrine
A stimulant neurotransmitter that increases mental alertness. Amphetamines activate receptors that release this chemical.
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Dopamine
A stimulant neurotransmitter that has most to do with feel good sensation. Cocaine blocks the reuptake of this chemical.
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Endorphins
Natural peptide neurotransmitters that activate opiod receptors and induce euphoria
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Euphoria
A feeling of well-being or elation
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Glutamate
A neurotransmitter that involves sensory input and memory. PCP and dextromethorphan block this receptor.
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MAOI (Monoamine oxidase inhibitor)
The inhibitor of an enzyme that metabolizes some of the neurotransmitters; over abundance of this inhibitor causes dangerously high levels of enzymes
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Forensic Anthropologist
The profession called when only a skeletal remains of the diseased. Can evaluate and reconstruct facial features, hair, age, sex, and height.
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VTA (Ventraltegmental area)
An area of the brain that transmits signals to the nucleus accumbens and other areas of the brain
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Presumptive Identification
Items that may prove the identity of the deceased
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Forensic Odontologist
A forensic expert in the field of dentistry
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DNA (deoxyribonucleic acid)
A nucleic acid found inside the nucleus of all living cells that is the building block
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MOD (manner of death)
How the death occured
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Natural
First Manner of Death;refers to a medical problem that caused the death of a person
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Accident
Second Manner of Death; the result of an unexpected or unforeseen and unintended fatal event
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Suicide
Third Manner of Death; the intentional taking of one's own life
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Homicide
Fourth Manner of Death; the intentional killing of another person
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Undetermined
Fifth and final Manner of Death; unexplainable circumstances that surround the cause of the death
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Proximate Cause of Death
The initial incident or act that set into motion a series of foreseeable interconnected events that led to the person's demise.
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Autopsy
The Final medical examination that explains the cause and manner of death as well as the circumstances sorrounding the death
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Pericardium
A fibrous sac that encloses the heart; is opened in order to expose the heart during autopsies
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Emboli
The presence of blood clots
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Arteriosclerosis
The thickening and hardening of walls in the arteries; typically occur with old age
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Lumen
The space within the blood vessel where the blood flowws
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Myocardial Infraction
The term used to describe a death of a heart muscle resulting from bloackage of blood to the heart
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Calvarium
The top of the skull
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Meninges
The membranes that surround the brain
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Dura mater
The meninge that lies just beneath the internal surface of the skull, otherwise known as the outer meninx
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Epidural hemmorrhage
When there is a hemorrhage due to trauma between the dura mater and the skull
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Subdural Hemmorrhage
If the blood from a hemorrhage lies underneath the dura meter
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Leptomeninges
Two filmy, thin, transparent membranes that cover the brain and are located directly below the dura mater
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Arachnois
The more visible of the leptomeninges that cover the brain
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Pia Mater
The less visible of the leptomeninges membranes that cover the brain
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PAD (Provisional Anatomical Diagnoses)
The autopsy protocol that lists all of the findings of the forensic pathologists during the autopsy
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SIDS (Sudden Infant Death Syndrome)
The quick or immediate death of infants during or swiftly after pregnancy
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BCS (Battered Child Syndrome)
When injuries of varying age are found on a child
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Elder Abuse
When the elderly are found with similiar hallmarks of the battered child cases and show evidence of abuse
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Neglect
A type of death due to inefficient attention of the child on the part of the gaurdien, ex. malnutrition
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Munchausen Syndrome
a psychological state in which a patient feigns illness for sympathy or love
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Munchausen Syndrome by Proxy
When a parent kills their own child and alleges infant death syndrome in order to reap the attention and sympathy that a grieving parent recieves
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Infanticide
The killing of a baby
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Congenital Defect
A defect of any kind that exists in a baby before or at pregnancy
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Failure to Thrive
Often chromosomal defects that can cause death
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Cold Case
A case that has not been solved yet
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Veterinary Pathologist
A forensic expert that performs autopsies on animals
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Exhumed
Dug from out the ground
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Pulmonary Embolism
A blood clot in the main pulmonary arteries of the heart that lodges and blocks blood flow to the lungs
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Aneurysms
An excessive localized enlargement of an artery due to the bloated artery wall
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Arteries
The blood vessels that carry the blood away from the heart
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Veins
The blood vessels that carry the blood toward the heart
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Foramen Magnum
A large opening at the base of the brain that connects the brain stem to the spinal cord
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Herniation
Something in the brain that occupies space that causes the brain stem into the foramen magnum
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Aortic Arch
The peak of path as the aorta ascends from the heart
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Descending Aorta
The portion of the aorta that descends into the abdomen
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Cardiac Arrhythmia
When the heart quivers and shakes instead of exerting the forceful pumping action that moves the blood on its pathway to the aorta
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Anaphylaxis
Sudden death due to anaphylactic shock because of an allergic or hypersensitive reaction
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Edema
Another word for swelling
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Occludes
Another word for blocks
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Eosinophils
A type of white blood cell that usually becomes quite prominent in allergic reaction and parasitic infestation
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Asphyxia
A conditition when the body is deprived of oxygen
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Anoxia
An absence of oxygen
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Smothering
A mechanical obstruction of the upper airway by an object
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Bolus
A small rounded mass of substance
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Strangulation
When the outside of the neck is constricted
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Ligature
Something used for binding
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Pleural Cavities
The spaces in the chest that house the lungs
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Hemolysis
When red blood cells in the body undergo a massive destruction
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Immersion changes
When fingers or hands wrinkle
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Laceration
When extended force causes the skin to tear
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Parenchyma
The specialized tissues of the brain
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Steering Wheel Injury
Recognized by the imprint of the steering wheel that occurs at the time of impact when the driver was thrown forward against the steering wheel
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Seatbelt Injury
A blunt force imprint that could case damage or a mark that can create injuries
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Dicing Injury
Multiple small abrasions and lacerations, caused by shattering of the side window glass of the car
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Bumper Fracture
Am imjury when a car strikes a pedestrian when the force of the bumper can fracture the tibia or fibula
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Abrasion
A glancing or scraping blow to the skin that produces a superficial injury
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Pneumothorax
when air leaks into the space between your lung and chest wall
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Hemothorax
When blood from a bleeding lung fills the chest cavity
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Hemopneumothorax
When a combination of blood and air fill the chest cavity
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Defense Wound
One or more cuts or slashes of the deceased and are manifestations of a struggle
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Hesitation Wound
One of the parallel directed cuts found on the wrists or on the neck of the deceased made by the person himself
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Impaled
Penetration of objects into the body
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Weapons of Oppurtunity
Household objects that could be used as weapons
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Trajectory
The path taken by the bullet
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Arson
Fires intentionally set
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First Degree Burn
Reddening type of skin irritation
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Second degree burn
Scalding by a hot liquid, produces blisters and small bubbles in teh skin, and constants a yellow fluid
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Third degree burn
Produces actual charring or burning of the skin that produces a black or leathery effect
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Chain of Custody
The tracking system kept to keep track of who handled the evidence
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Spree kills
Kills by a serial killer within a short period of time
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Rape Kit
A kit kept in hospitals to determine the identity of a rapist
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Mass Murderer
Someone who simaltaneously murders a large group of people
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Serial Killer
Killing a large amount of people throughout an extended period of time, one or several at a time
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Criminalistics
Specialists responsible for evaluating evidence that falls in the fields of their expertise
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Document experst
Codunct handwriting and document analysis
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Forensic Engineers
Evaluate machines, vehicles, and constructions
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Forensic Photographer
Take and document images of teh crime scene
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Homicide and arson detectives
investigate the circumstances of death and arrest of suspects
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Pallor Mortis
A postpartum paleness that occurs in those with white skin
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Algor Mortis
The change in body tempature to match the ambient or room
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Rigor Mortis
Stiffening of the muscles post mortum due to chemical changes
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Livor Mortis (Hypostasis) (Lividity)
When body discolors due to the sinking of blood to the relative "bottom" of the body based on position and gravity
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