Forensics review -hair/fiber

Front

What is the cuticle in hair?

Back

The cuticle is the outermost layer of hair, consisting of overlapping scale-like cells that protect the inner layers.

Front

Which layer of hair is most useful for identifying the species of the hair?

Back

The cuticle is the most helpful component when determining what type of animal the hair came from.

Front

What is the cortex in hair?

Back

The cortex is the middle layer of hair that contains pigment and provides strength and elasticity.

Front

What is the medulla in hair?

Back

The medulla is the innermost layer of hair, which may be absent in some types of hair and can vary in appearance.

Front

What type of hair has densely distributed pigment granules?

Back

Asian hair has densely distributed pigment granules.

Front

What is the difference between warp and weft in weaving?

Back

Warp refers to the lengthwise yarns in a weave, while weft refers to the crosswise yarns.

Front

What are the three main types of hair cuticles?

Back

The three main types of hair cuticles are coronal, imbricate, and spinous.

Front

What is the significance of the medulla in forensic analysis?

Back

The medulla can provide information about the species of the hair and its origin.

Front

What is keratin?

Back

Keratin is a fibrous protein that makes up the structure of hair, nails, and the outer layer of skin.

Front

What is the role of the cortex in hair?

Back

The cortex provides strength, color, and texture to the hair.