Chapter 11

The image on the right is showing which type of density? Low Fine Thick Medium Which hair texture has the largest diameter? Thin Coarse Fine Thick Label the diagram Identify the following: Sebaceous gland, Hair bulb, Hair shaft, Hair root Hair bulb Sebaceous gland Hair shaft Hair root Four classifications of wave pattern Draw the 4 different types of wave patterns. Hair density measures the number of individual hair strands on one square inch of scalp. Hair porosity the ability of the hair to absorb moisture Hair texture the thickness or diameter of the individual hair strand. Coarse hair has the largest diameter Fine hair more fragile, easier to process, and more susceptible to damage from chemical services Low porosity considered resistant, requires a more alkaline solution High density thick hair Which picture appears to be overly porous? Canities the technical term for gray hair. Congenital canities exists at or before birth Acquired canities develops with age and is the result of genetics. Ringed hair characterized by alternating bands of gray and pigmented hair throughout the length of the hair strand. Hypertrichosis also known as hirsuties, is a condition of abnormal growth of hair. Trichoptilosis the technical term for split ends Trichorrhexis nodosa the technical term for knotted hair Monilethrix the technical term for beaded hair Fragilitas crinium the technical term for brittle hair.