NATS 1575 Chapter Notes - Chapter 11: Hair Follicle, Comparison Microscope, Forensic Science
16 Aug 2016
School
Department
Course
Professor
Document Summary
Hair is encountered as physical evidence in a wide virally of crimes. Although it is not yet possible to individualize a human hair to any single head or body through its morphology, it still has value as physical evidence. Hair - an appendage of the skin that grows out of an oran known as a follicle. The length of a hair extends from its root or bulb embedded in the follicle, continues into a shaft, and terminates at a tip end. It is the shaft, which is composed of three layers that is subjected to the most intense examination by the forensic scientist. The cuticle is the scale structure covering the exterior of the hair. The scales always point towards the tip of the hair. The scale pattern is useful in species identification. The cortex is the main body of the hair shaft .
