Unit Four Flashcards
Hair Evidence (18 cards)
What’s the outer layer of the hair shaft?
cuticle
What’s the middle layer of the hair shaft?
cortex
What’s the inner layer of the hair shaft?
medulla
What would differentiate animal hair from human hair?
a bigger medulla and different cuticle pattern
the _______ of ___________ could cause air pockets
the pattern of pigmentation
when you pull out hair with a lot of force the ______ might be more visible
follicle
the proximal end is _______ to the head
closest
the distal end is _______ to the head
furthest
what is the type of medulla that is one straight line?
continuous
what is the type of medulla that is broken up?
fragmental
what is the type of medulla that isn’t there?
absent
the cuticle layers are made out of ______
scales
______ ethnicity has more of a round cross section
Asian
______ ethnicity has more of a flat cross section
African
_______ ethnicity has more of a oval cross section
Caucasian
the ________ layer is above the _____ layer
epidermis, dermis
Where are the sebaceous glades located?
they come out of the follicle and are above the mussels
Where are the arrector pili mussels located?
they are attached to the follicle and under the sebaceous glades
