material that connects an individual or thing to a certain group

• trace evidence
• physical evidence
• class evidence
• individual evidence

the actively growing root or base of a hair containing DNA and living cells

• medulla
• melanin granules
• hair follicle
• cortex

the tough outer covering of a hair composed of overlapping scales

• cuticle
• cortex
• medulla
• keratin

bits of pigment found in the cortex of  hair

• medulla
• cortex
• melanin granules
• keratin

compound microscope that allows side-by-side comparison of samples

• comparison microscope
• 
  light microscope
• 
  flex microscope
• still microscope

small but measurable amounts of physical or biological material found at a crime scene

• class evidence
• 
  individual evidence
• 
  trace evidence
• 
  biological evidence

a method of analysis that determines composistion of elements in a sample

• compound microscope
• comparison microscope
• atom activation analysis
• neutron activation analysis

the central core of a hair fiber

• medulla
• cortex
• 
  cuticle
• 
  follicle

a type of fibrous protein that makes up the majority of the cortex of a hair

• medulla
• 
  keratin
• 
  melanin
• 
  cuticle

a kind of evidence that identifies a particular person or thing

• class evidence
• 
  trace evidence
• 
  physical evidence
• 
  individual evidence