FORENSIC TRICHOLOGY PDF

Forensic trichology has played an important role in criminal justice delivery system. Hair is encountered as physical evidence in many crime cases. If hair is. Hair examinations and comparisons, as generally conducted by forensic Forensic Science Communications [Online]. . Trichology is the study of hair. Chapter 3 THE STUDY OF HAIR Sept. 3, Trichology The scientific study of the structure, function, and diseases of human hair. Very valuable in Forensic.

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Hair analysis – Wikipedia

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Hair analysis

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Trichology – Wikipedia

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Get Forensic with Hair Analysis. Life was long gone from the cold, bloody corpse when the crime scene investigators arrived. Teaching basic physiological science concepts is interesting from a forensics point of view. By incorporating a problem-solving approach to science education, teachers engage their students in exciting and innovative ways. Trichology is the scientific study of the structure, function, and diseases of human hair. Medical professionals, beauticians, and forensic scientists, among others, practice occupations within trichology.

Hair is a valuable tool for forensic scientists. It is more resistant to decay than most other body tissues and fluids, thus remaining intact far longer than other evidence. This durability makes hair one of the most frequently found pieces of evidence at crime scenes. A hair shaft is composed of 3 layers.

The outer layer, tricuology cuticleconsists of overlapping scales, with the free ends of the scales directed toward the tip of the shaft. Just beneath the cuticle is the cortexmade up of compact, elongated cells and often containing pigment granules. The central core of a hair shaft is the medullacomposed largely of air spaces.

Forensic scientists perform 3 major types of hair analysis: The arrangement and shape of hair scales fornesic vary greatly from species to species and are often very distinctive. Scientists usually classify scales into 1 of 3 categories:. The forensic mystery will both engage and intrigue them while they learn science concepts. A whole mount allows study of the appearance of the medulla; however, a medulla is not always present in a hair. When medullae tdichology present, they often show distinctive variations between species.