Hair and Blood Evidence

Front

What are the 3 parts of hair?

Back

Cuticle, Cortex, and Medulla

Front

What is the Cuticle?

Back

Outside lining of cells on the outer hair (Imbricate, Spinous or Coronal)

Front

What is the Cortex?

Back

The largest portion of hair. Contains the pigments of the hair.

Front

What is the Medulla?

Back

A layer of dead cells and air spaces that runs down the middle/center of the hair. May be seen as a dark line.

Front

What type of evidence is hair?

Back

Class Evidence

Front

What are the types of cuticle patterns?

Back

Imbricate, Spinous, Coronal

Front

What types of cuticle patterns do humans have?

Back

Imbricate

Front

What is the Cortex Description?

Back

General color and if it is smooth, grainy, or spotty.

Front

What is the Medulla Description?

Back

Continuous, broken, spaced, or absent.

Front

What is the Medullary Index (1/4 thickness)?

Back

0.25