Hair Style
Hair can be analyzed in these 2 ways
What are Macroscopic and Microscopic?
Investigators can determine the ethnic group of a human hair by these 3 characteristics
What are Shape, Strand Count, and Strand Shape?
The average person loses this many hairs per day
What is between 40 and 125?
What are Natural and Synthetic?
When examining for a thread count, the strands going horizontally are called these
What are the Wefts?
Three functions of hair are these
What is Regulates Temperature, Protects Skin, Act as a Sensory Organ?
This ethnic group typically has the highest strand count
What is Caucasian?
What is the Head, Eyebrow/Lash, Beard, Pubic Area, Body, Underarm?
Cotton, Coir, and Hemp are examples of these types of natural fibers
What are Plant Fibers?
When examining for a thread count, the strands going vertically are called these
What are the Warps?
The Cortex contains most of this, which gives hair its color
What is Pigment (Melanin)?
This ethnic group typically has a straight strand shape
What is Eastern Asian?
The shaft part of hair consists of these 3 areas
What are the Cuticle, Cortex, Medulla?
Polyester and Nylon are considered these types of fibers?
What are Synthetic Fibers?
This type of fiber is considered a mineral fiber...but not a good one to breathe in... especially if it crumbles off a pipe and becomes airborne
What is Asbestos?
The cuticle may have an appearance similar to this when viewed under a microscope
What is a pine cone, lizard scales, dragon scales?
Three characteristics investigators use when determining if a hair is human hair or animal hair/fur are these
What are Pigment, Medulla, and Scale Structure?
The ratio of the diameter of the medulla to the diameter of the entire hair is known as this
What is the Medullary Index?
Wool, Cashmere, and Silk would be considered this type of natural fiber
What are Animal Fibers?
Plain, Satin, Basket, and Twill are types of these
What are Weave Patterns?
Hair can be these two types of evidence, depending on what part of the hair is discovered
What are Individual and Class evidence?
This celebrity, Mr. Dougher stated, shaved their head for possibly avoiding being accused of doing drugs
Who was Britney Spears?
The 4 possible medulla patterns are these
What are Absent, Continuous, Interrupted, Fragmental?
Fibers are prime examples of this man's theory on transfer
Who is Dr. Locard?
This type of fiber is actually found in types of insulation for your house
What is Fiberglass?