Forensic Hair Analysis

Front

Cuticle Pattern

Back

Imbricate, Coronal, Spinous - Imbricate is the most common cuticle pattern found in human hair.

Front

Can DNA be extracted from a hair ripped out during the anagen stage?

Back

True - Hair in the anagen stage contains living cells, making DNA extraction possible.

Front

What are the functions of hair?

Back

Regulate body temperature, Protect the skin from sunlight, Decrease friction - All of the above.

Front

How can animal hair be distinguished from human hair?

Back

Animal hair has a greater medullary index and more variation in cuticle patterns compared to human hair.

Front

Do hairs ripped out during the anagen stage contain follicle cells?

Back

True - Hairs forcefully ripped out during this stage may have follicle cells attached.

Front

What is the medullary index?

Back

The ratio of the diameter of the medulla to the diameter of the hair shaft, used to differentiate between species.

Front

What is the anagen phase of hair growth?

Back

The active growth phase where hair follicles are producing new hair.

Front

What is the role of the cuticle in hair?

Back

The cuticle protects the inner layers of the hair and contributes to its strength.

Front

What is the difference between the cortex and medulla of hair?

Back

The cortex contains the pigment and provides strength, while the medulla is the central core that may or may not be present.

Front

What is the significance of hair in forensic science?

Back

Hair can provide valuable evidence for identifying individuals and determining their activities.