Hair analysis

Using the pencil analogy, which structure corresponds to the paint on the surface?

• Follicle
• Cortex
• Cuticle
• Medulla

Using the pencil analogy, which structure corresponds to the wood?

• Follicle
• Cortex
• Cuticle
• Medulla

Tags

NGSS.HS-LS1-2

Using the pencil analogy, which structure corresponds to the lead?

• Follicle
• Cortex
• Cuticle
• Medulla

The following medulla pattern is called

• fragmented 
• continuous
• interrupted

trace evidence

• small but measurable amounts of physical or biological material found at crime scene
• the tough outer covering of a hair composed of overlapping scales
• the centrel core of a hair fiber
• the actively growing root or base of hair containing DNA and living cells

What kind of medulla is this?

• Fragmented
• Continuous
• Interrupted/Intermittent
• There is no medulla - Absent

What kind of medulla is this?

• Fragmented
• Continuous
• Interrupted/Intermittent
• There is no medulla - Absent

What kind of medulla is this?

• Fragmented
• Continuous
• Interrupted/Intermittent
• There is no medulla - Absent

How would you describe this cuticle?

• Absent

• light brown

• thin and dark

• continuous

hair always contains DNA

• true
• false