PSY100Y5 Lecture Notes - Lecture 10: Genetic Testing, Molecular Mass, Monomer
13
PSY100Y5 Full Course Notes
Verified Note
13 documents
Document Summary
10. 1 recognize and understand the cuticle, cortex, and medulla areas of hair. It is not yet possible to individualize a human hair to any single head or body through its morphology. The first step in forensic examination of hair starts with its color and structure. Length of a hair extends from its root or bulb embedded in the follicle, continues into the shaft, and terminates at the tip end. Cuticle: scale structure covering the exterior of the hair. Medulla: cellular column running through the center of the hair. Features that make hair a good subject for establishing individual identity. Basic patterns that describe the appearance of the cuticle. Made up of spindle-shaped cortical cells aligned in a regular array, parallel to the length of the. Embedded with pigment granules that give hair its color o. Color, shape, and distribution of these granules provide important points of comparison among the hairs of different individuals.
