Flashcard 1: Hair analysis evidence

Front

What are coronal types of cuticles commonly found in?

Back

Rodents

Front

Which hair phase has the longest growth period?

Back

Anagen with 5 to 6 years

Front

How can you tell a human hair from an animal hair?

Back

By the medulla index and the type of cuticle

Front

What is an interrupted medulla?

Back

A type of medulla pattern in hair that shows breaks or gaps.

Front

What characteristics distinguish human hair from animal hair?

Back

Human hair typically has a smaller medulla index and a different cuticle pattern.

Front

What is the function of the hair cuticle?

Back

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

Front

What is the medulla in hair?

Back

The medulla is the innermost layer of the hair shaft, which can vary in thickness and structure.

Front

What are the three phases of hair growth?

Back

Anagen, Catagen, and Telogen.

Front

What happens during the Anagen phase?

Back

The hair actively grows and can last several years.

Front

What is the Catagen phase?

Back

A transitional phase where hair growth slows and the hair follicle shrinks.