Bits of pigment found in the cortex of a hair is called melanin granules

The hair shaft is made up of 3 layers: an outer medulla, a cortex, and inner cuticle

The cuticle is transparent inner layer of the hair shaft

In humans, the cortex is the largest part of the shaft

The region of the hair located outside of the medulla containing granules of pigment is called:

A type of protein made up of a chain amino acids that makes hair both strong and flexible is:

Hair is considered:

Hair can adhere to clothes and be transferred to other locations. This is called:

Investigators recognized the importance of analysis of hair as:

The use of comparison microscope to perform side by side analysis of hair first occurred in:

All mammals have hair. Its main purpose is to:

When humans are born, they have about:

Hair viewed both microscopically show which of the following characteristics:

The rate of hair growth in humans is about:

Animal hair and human hair have several differences including

The central core of the hair fiber is called the:

Forensic scientists distinguish ____ types of hair on the human body.

Hair proceeds through ___ stages as it develops.

The cuticle of the human hair is described as _____.