A projected bloodstain is formed when blood is expelled from a source due to force or motion, rather than simply dripping or pooling. This can occur through mechanisms such as impact, splashing, or the forceful ejection from a wound. The resulting stains often exhibit distinct patterns, such as spatter, which can provide valuable information about the circumstances surrounding a bloodshed event. Analyzing these patterns can help forensic experts reconstruct the actions that led to the bloodshed.
International Association of Bloodstain Pattern Analysts was created in 1983.
A skeletonized bloodstain refers to a bloodstain that has dried over time, leaving behind a distinct outline or pattern resembling a skeletal structure. This term is often used in forensic investigations to describe older bloodstains that have undergone significant evaporation and have distinct edges.
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ABO
PCR
The type of bloodstain caused by gravity is known as a "passive" or "gravity" bloodstain. This occurs when blood drips or flows downwards due to gravitational pull, resulting in stains that typically appear as drops, pools, or flow patterns on surfaces. These stains are often circular or oval in shape and can provide important information regarding the position and movement of a victim or suspect at the crime scene.
Difference between projected and non- projected instructional aids
Projected media is media that is projected onto the wall or a screen. Schools use projected media as a teaching tool.
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projected aids
projected arrival
projected expenditure