Forensic analysis of Hair and Fiber

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What is a natural fiber?

Back

Natural fibers are fibers that are obtained from plants or animals. Examples include cotton (from plants) and silk (from silkworms).

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What is an artificial fiber?

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Artificial fibers, also known as synthetic fibers, are man-made fibers created from chemical processes. An example is polyester.

Tags

NGSS.MS-PS1-3

Front

What is the medulla in hair analysis?

Back

The medulla is the central core of a hair strand, which can vary in appearance and is used in forensic analysis to help identify the source of the hair.

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What are the types of medullary patterns?

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The types of medullary patterns include continuous, interrupted/intermittent, fragmented, and absent.

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What type of fiber is cotton?

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Cotton is classified as a plant fiber.

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What type of fiber is silk?

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Silk is classified as an animal fiber.

Front

What is the significance of the medullary pattern in forensic analysis?

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The medullary pattern helps forensic scientists determine the species of the hair and can provide clues about the origin of the hair.

Front

What is the difference between natural and synthetic fibers?

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Natural fibers are derived from plants or animals, while synthetic fibers are made from chemical processes.

Tags

NGSS.MS-PS1-3

Front

What is an example of a synthetic fiber?

Back

An example of a synthetic fiber is polyester.

Tags

NGSS.MS-PS1-3

Front

What does 'interrupted medulla' mean?

Back

An interrupted medulla refers to a medullary pattern where the medulla is present but not continuous, appearing as broken segments.