Hair and Fiber Analysis

Front

What type of hair is typically identified as animal hair?

Back

Animal hair can be distinguished from human hair based on characteristics such as scale patterns, medulla presence, and overall structure.

Front

What is the cuticle in hair analysis?

Back

The cuticle is the tough outer covering of a hair composed of overlapping scales, which protects the inner layers.

Front

What is the significance of fiber evidence in forensic analysis?

Back

Fiber evidence can help link a suspect to a crime scene, but fibers are considered class evidence, not individual evidence.

Front

How can you determine if a hair was forcibly removed?

Back

If a hair has a bulbous root or tissue attached, it is likely that it was forcibly removed.

Front

What is a fiber in the context of textiles?

Back

A fiber is the smallest unit of textile material that has a length many times greater than its diameter.

Front

What are the two main types of fibers?

Back

Natural fibers (derived from plants or animals) and synthetic fibers (man-made from chemical processes).

Front

What is the role of the cortex in hair structure?

Back

The cortex is the middle layer of the hair that contains keratin and gives hair its strength and color.

Front

What is the medulla in hair analysis?

Back

The medulla is the innermost layer of the hair, which can vary in thickness and presence among different species.

Front

How can burning fibers help in forensic analysis?

Back

Burning fibers can help identify their composition, as different fibers burn in unique ways.

Front

What is the importance of weave patterns in fabric analysis?

Back

Different weave patterns can indicate the type of fabric and its intended use, aiding in forensic investigations.