Forensic Science- Ch-3- Vocabulary Flashcard#2

Front

What is Neutron Activation Analysis?

Back

A method of analysis that determines the composition of elements in a sample by measuring the gamma rays emitted from the sample after it has been irradiated with neutrons.

Front

What is a Hair Follicle?

Back

The actively growing root or base of a hair that contains DNA and living cells.

Front

What is Individual Evidence?

Back

A type of evidence that identifies a particular person or thing, such as a fingerprint or DNA.

Front

What is a Comparison Microscope?

Back

A compound microscope that allows the side-by-side comparison of samples, such as hair or fibers.

Front

What are Melanin Granules?

Back

Bits of pigment found in the cortex of a hair that contribute to its color.

Front

What is Trace Evidence?

Back

Small pieces of material that can be transferred from one location to another, such as hair, fibers, or soil.

Front

What is the Cortex of a Hair?

Back

The thickest layer of a hair shaft, containing fibrous proteins and pigment granules.

Front

What is Keratin?

Back

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

Front

What is the Cuticle of a Hair?

Back

The outermost layer of a hair shaft, consisting of overlapping scales that protect the inner layers.

Front

What is Forensic Science?

Back

The application of scientific principles and techniques to investigate crimes and analyze evidence.