SWGSTAIN/BPA Terminology

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Author:
s13206l
ID:
139090
Filename:
SWGSTAIN/BPA Terminology
Updated:
2012-03-02 09:41:32
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Senior Test
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SWGSTAIN/BPA Terminology as of 10/27/11
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  1. Accompanying Drop
    A small blood drop produces as a by-product of drop formation
  2. Altered Stain
    A bloodstain with characteristics that indicate a physical change has occurred
  3. Angle of Impact
    The acute angle (alpha) at which a blood drop strikes a target, relative to the plane of the target
  4. Area of Convergence
    The area containing the intersections generated by lines drawn through the long axes of individual stains, which indicates in two dimensions the location of the blood source.
  5. Area of Origin
    The three-dimensional location from which spatter originated.
  6. Backspatter Pattern
    A bloodstain pattern resulting from blood drops that traveled in the opposite direction of the external
  7. Blood Clot
    A gelatinous mass formed by a complex mechanism involving red blood cells, fibrinogen, platelets, and other clotting factors
  8. Bloodstain
    A deposit of blood on a surface
  9. Bloodstain Pattern
    A grouping of distribution of bloodstains that indicates through regular or repetitive form, order, or arrangement, the manner in which the pattern was deposited
  10. Bubble Ring
    An outline within a bloodstain resulting from air in the blood
  11. Cast-Off Pattern
    A bloodstain pattern resulting from blood drops released from an object due to its motion
  12. Cessation Cast-Off Pattern
    A bloodstain pattern resulting from blood drops released from an object due to its rapid deceleration
  13. Directionality
    The characteristic of a bloodstain that indicates the direction blood was moving at the time of deposition
  14. Directional Angle
    The angle (gamma) between the long axis of a spatter stain and a defined reference line on the target
  15. Drip Pattern
    A bloodstain pattern resulting from a liquid that dripped into another liquid, at least one of which was blood
  16. Drip Stain
    A bloodstain resulting from a falling drop that formed due to gravity
  17. Drip Trail
    A bloodstain pattern resulting from the movement of a source of drip stains between two points
  18. Edge Characteristic
    A physical feature of the periphery of a bloodstain
  19. Expiration Pattern
    A bloodstain pattern resulting from blood forced by airflow out of the nose, mouth, or wound
  20. Flow Pattern
    A bloodstain pattern resulting from the movement of a volume of blood on a surface due to gravity or movement of the target
  21. Impact Pattern
    A bloodstain pattern resulting from an object striking liquid blood
  22. Forward Spatter Pattern
    A bloodstain pattern resulting from blood drops that traveled in the same direction as the impact force
  23. Insect Stain
    A bloodstain resulting from insect activity
  24. Mist Pattern
    A bloodstain pattern resulting from blood reduced to a spray of micro-drops as a result of the force applied
  25. Parent Stain
    A bloodstain from which a satellite stain originated
  26. Perimeter Stain
    An altered stain that consists of the peripheral characteristics of the original stain
  27. Pool
    A bloodstain resulting from an accumulation of liquid blood on a surface
  28. Projected Pattern
    A bloodstain pattern resulting from the ejection of a volume of blood under pressure
  29. Satellite Stain
    A smaller bloodstain that originated during the formation of the parent stain as a result of blood impacting a surface
  30. Saturation Stain
    A bloodstain resulting from the accumulation of liquid blood in an absorbent material
  31. Serum Stain
    The stain resulting from the liquid portion of blood (serum) that seperates during coagulation
  32. Spatter Stain
    A bloodstain resulting from a blood drop dispersed through the air due to an external force applied to a source of liquid blood
  33. Splash Pattern
    A bloodstain resulting from a volume of liquid blood that falls or spills onto a surface
  34. Swipe Pattern
    A bloodstain pattern resulting from the transfer of blood from a blood-bearing surface onto another surface, with characteristics that indicate relative motion between the two surfaces
  35. Target
    A surface onto which blood has been deposited
  36. Transfer Stain
    A bloodstain resulting from contact between a blood-bearing surface and another surface
  37. Void
    An absence of blood in an otherwise continuous bloodstain or bloodstain pattern
  38. Wipe Pattern
    An altered bloodstain pattern resulting from an object moving through a pre-existing wet bloodstain

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