PPT-Unit 4: Hair and Fibers

The Study of HaIR Hair and Fibers Unit Learning Targets Identify the various parts of a hair Describe variations in the structure of the medulla cortex and cuticle Distinguish between human and nonhuman hair . Volume 5, Issue 3 - 2010 How Is Frayed Fiber Generated during Refining Process? Yuhe Chen and Mousa M. Nazhad, Ph.D. ABSTRACT The objective of this study is to characterize frayed (from Kimura, 1966). Electron micrograph of 3 OHCs. spiral ligament. modiolus. When the basilar membrane vibrates up and down in response to the sound wave, the hair cell cilia are displaced 1. st. in one direction then in the other; i.e., 1. Hair Analysis. PBS News Hour. http://www.pbs.org/newshour/bb/law/july-dec12/fbi_07-11.. html. . Characteristics of Hair. . Hair is produced by . cells . within the skin called . hair follicles. . It becomes non-living as it reaches the . 1. . A victim was found at 4:30 p.m. with a temperature of . 34 . degrees Celsius. Approximately, what time did this victim die? ( include each step). R. eference . Table. , . M. ore or Less, . O. rganize, . Chapter. Objectives. List. the main characteristics of natural and manufactured fabrics.. Explain. how fibers are manufactured.. Summarize. the role of leather and fur as primary materials in fashion.. http://knudsen.com.au | Are you looking for costs of hair transplant in Australia? Visit at Knudsen.com.au or call at 1800 685 399 for more details. How Forensic Scientists . Use Fibers. Fibers are used in forensic science to create a link between crime and suspect. Through normal activities. We shed fibers . We picked up fibers. Very small fibers are classified as trace evidence. EQ: What is the structure of hair fiber?. Read . the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. Do Now. : What forensic evidence can be determined from hair? . Hair is the most frequently found piece of trace evidence.. What is trace evidence?. Objective. : SWBAT identify forensic evidence found in hair samples. . Can only compare head hair to head hair. or . pubic hair to another pubic hair. Control hairs from suspect:. 50 full length head hairs. minimum of 24 pubic hairs. HAIR . is useful as forensic evidence because its protein polymers are…. EQ: What is the structure of hair fiber?. Read . the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. EQ: What is the structure of hair fiber?. Read the case study on pg363 . (. blue book), . pg. 420 (orange), and write and answer the following questions.. What happened to the “Central Park Jogger”?. Plants used Fibres P apre -2 unit- 1 Fibers used for cloths and ropes. More then 2000 plant species are used for the production of fibers. Economically very useful. Six types Textile Fibers – Bellringer. Learn the three main parts of hair and how they can be used to identify the difference between human and animal hair.. Objective. Criminals do not intentionally leave hair evidence behind, and hair is not used to commit a crime (like a knife might be).