Flashcard 1: Hair analysis evidence

Front

What is the medullary index of human hair compared to most other animals?

Back

The medullary index of human hair is less than the medullary index for most other animals.

Front

What is the inner layer of hair made of keratin and imbedded with pigment?

Back

The inner layer of hair is called the Cortex.

Front

What are cortical fusi in hair?

Back

Cortical fusi are air sacs found in the Cortex of hair.

Front

Which type of cuticle is commonly found in dogs and humans?

Back

Imbricate types of cuticles are commonly found in dogs and humans.

Front

Which type of cuticle is commonly found in cats?

Back

Spinous types of cuticles are commonly found in cats.

Front

What is the hair phase with the longest growth period?

Back

The Anagen phase has the longest growth period, lasting 5 to 6 years.

Front

What are the three phases of hair growth?

Back

The three phases of hair growth are Anagen, Catagen, and Telogen.

Front

What is the duration of the Catagen phase?

Back

The Catagen phase lasts for about 2 to 3 weeks.

Front

What is the Telogen phase?

Back

The Telogen phase is the resting phase of hair growth, lasting for about 3 months.

Front

What is the significance of the medulla in hair analysis?

Back

The medulla can help differentiate between human and animal hair.