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Forensic Medicine Flashcards

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3991253351SerumThe fluid or liquid portion of the blood that does not clot.0
3991253352RBCRed Blood Cells - Transport oxygen from the lungs via the venous system and return carbon dioxide to the lungs for expiration via the venous system.1
3991253353ErythrocytesRed Blood Cells - Transport oxygen from the lungs via the venous system and return carbon dioxide to the lungs for expiration via the venous system.2
3991253354WBUs or LeukocytesWhite Blood Cells - assist with defence against foreign substances and infection.3
3991253355PlateletsMajor components of the clotting mechanism of blood.4
3991253356ExsanguinationThe process of blood loss, to a degree sufficient to cause death.5
3991253357Surface TensionThe force that pulls the surface molecules of a liquid toward its interior, decreasing the surface area and causing the liquid to resist penetration.6
3991253358ViscosityResistance to change of form or flow.7
3991253359Special GravityThe weight of a substance relative to the weight of an equal volume of water8
3991253360Terminal VelocityThe highest velocity attainable by an object as it falls through the air.9
3991365815Accompanying DropA small blood drop produced as a byproduct of drop formation.10
3991375220Altered BloodstainA blood stain or pattern with characteristics that indicate a physical change has occurred.11
3991381564Angle of ImpactIs the acute angle at which a blood drop spikes a target, relative to the plane of a target.12
3991390407Area of ConvergenceThe area of intersection of two dimensions created by lines drawn through the long axis of individual, most often associated with an impact pattern.13
3991414889Area of OriginThe area of three dimensions of a blood source most often associated with an impact pattern.14
3991429505Back Spatter PatternA bloodstain pattern resulting from blood drops that travel in the opposite direction of the external force applied. Back spatter is often associated with a gunshot entrance wound.15
3991449028Blood ClotA gelatinous mass formed by a complex mechanism involving red cells, fibrinogen, platelets, and other clotting factors.16
3991459350BloodstainA spot or stain made by blood.17
3991464807Bloodstain PatternA characteristic grouping or distributions of bloodstains which may indicate the pattern in which the pattern was deposited.18
3991477173Bubble RingA ring in a bloodstain that results from an air bubble.19
3991487786Castoff PatternA bloodstain pattern resulting from blood drops released from a bloody object in motion.20
3991498265Cessation Castoff PatternA bloodstain pattern resulting from blood drops released from a bloody object as it suddenly stops.21
3991516345DirectionalityThe path of travel of a blood drop indicated by the stain's shape.22
3991523712Directional AngleThe angle between the long axis of a bloodstain and a reference line on the target.23
3991530320Drip PatternA bloodstain pattern of a liquid dripping into liquid, where at least one liquid is blood.24
3991539419Drip StainA bloodstain pattern resulting from the formation and the falling of a drop of blood.25
3991546540Drip TailA series of bloodstains resulting from blood dripping from a source that is in an horizontal motion.26
3991711230Expirated PatternA bloodstain pattern resulting from blood being forced out of the nose, mouth, or a wound by air pressure.27
3991726267Forward Spatter PatternA bloodstain resulting from blood drops that travel in the same direction as the external force applied. Forward spatter is often associated with an exit gunshot wound.28
3991744313Flow PatternA bloodstain pattern resulting from the movement of a volume of blood on a surface due to gravity and/or a movement of the target.29
3991755387Impact PatternA bloodstain pattern resulting from an object striking liquid blood.30
3991767629Insect StainA blood stain produced as a result of insect activity.31
3991775417Mist PatternA bloodstain pattern resulting from blood reduced to a spray of localized micro-drops, as a result of the force applied, often associated with gunshot injuries.32
3991795595Parent StainThe bloodstain from which wave castoff or satellite bloodstains originate.33
3991805013PoolAn accumulation of liquid blood on a surface.34
3991811036VoidThe absence of blood in an otherwise continuous bloodstain pattern.35
3991826689Skeletonize StainA bloodstain that has been altered after a period of drying, leaving observable peripheral characteristics of the original stain.36
3991847742Transfer PatternA bloodstain pattern resulting from contact with a wet bloody surface and another surface.37

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