Properties of Hair
Macroscopic hair characteristics
length, color, and style
What is melanin?
Three microscopic properties of hair
The four classifications of the medulla
What is none, continuous, interrupted, and fragmented?
The two main parts of a hair
hair follicle and hair shaft
Name three regions from which hair originates
What is head, eyebrow/lash, beard, pubic, underarm, and body?
The direction that the scales point on the hair shaft
What is toward the end of the hair (away from the scalp)?
Type of hair with a much thicker medulla: human or animal
Animal hair
The type of evidence classification if a hair has a root/follicle present.
Individual evidence
Two ways human hair differs from animal hair
What is medullary index and cuticle type?
What are the three divisions of the hair shaft?
cortex, cuticle, and medulla
Name at least two characteristics of the cortex
What is middle layer of shaft, largest part, contains pigment that gives hair its color?