In Fig. 33.31, since the light that is scattered out of the incident beam is polarized, why is the transmitted beam not also partially polarized?
BSCI 201: Anatomy & Physiology Chapter 5 (Integumentary System) Notes- Part 2 by Mehrnaz Ighani . Hair: Consists of dead keratinized cells None located on palms, soles, lips, nipples, and portions of external genitalia Functions: 1. Warn of insects on skin 2. Hair on head guards against physical trauma 3. Protect from heat loss 4. Shield skin from sunlight . Structures of hair: Hair (pilli): flexible strands of dead keratinized cells Produced by hair follicles Contains hard keratin, not like soft keratin found in skin . hard keratin is more durable and cells do not flake of Regions: 1. Shaft: area that extends above scalp, where keratinization is complete . 3 parts