Evidence
Hair Structure
Types of Fibers
Fibers & Analysis
Hair & Fiber Mix
100

Passing evidence from victim to suspect or vice-versa

What is Direct Transfer?

100

This is the central core of a hair fiber

What is the Medulla?

100

True or False: Plant fibers do not include seeds and stems.

What is False?

100

True or False: There are racial differences in hair, but enough variations to not individually classify it.

What is True?

100

This is the actively growing root or base of a hair

What is Follicle?

200

This is a kind of evidence that identifies a particular person or thing

What is Individual Evidence?

200

The region of hair located outside of the Medulla

What is Cortex?

200

These are thin strings of glass that are commonly found in insulation

What is Fiberglass?

200

True or False: Toxins/drugs that someone ingested can leave traces in hair

What is True?

200

Fibers spun together

What is Yarn?

300

These are small but measurable amounts of physical/biological material at a crime scene

What is Trace Evidence?

300

The protein that hair is composed of

What is Keratin?

300

Man-made fibers consist of both synthetic polymers and this type of fiber

What is Regenerated?

300

The smallest unit of a textile; It must be 100 times longer than wide

What is Fiber?

300

In animal hair this is larger than in Human hair

What is the Medulla?

400

This is material that connects an individual/thing to a certain group

What is Class Evidence?

400

This is the tough outer covering of hair, composed of overlapping scales

What is a Cuticle?

400

Both Asbestos and Fiberglass fall under this category

What are Mineral Fibers?

400

Fibers produced from raw materials that is spun together in a factory

What are Synthetic Fibers?

400

This is a substance composed of long chains of repeating units

What is Polymer?

500

Transfer of evidence such as fiber from a source to a person and then to someone else

What is Secondary Transfer?

500

For Humans, the cuticle has this pattern

What is Imbricate?

(Having adjacent edges overlapping.)

500

A fiber that is both fire-resistant, but can be deadly to Humans

What is Asbestos?

500

Analysis of fibers can include these tests

What is Burning, Dissolving & Infrared Spectroscopy all of the above?

500

A flexible flat material made by interlacing yarns or threads

What is Textile?