Chapter 13 Flashcards
Scale structure covering hair
Cuticle
Main body of hair shaft
Cortex
Cellular column running through center of hair
Medulla
Anagen, Catagen, Telogen
Three phases of a Root
Initial growth/produces hair
Anagen
Transition between anagen and telogen phases
Catagen
Hair naturally falls out
Telogen
Matching,color,length,diameter, presence/absence of medulla, shape, distribution, granules in cortex
Particular Importances of hair in Forensics
A translucent piece of tissue surrounding the hair`s shaft near the root that contains the richest source of DNA associated with hair.
Follicular tag
DNA that is present in the nucleus of a cell and that is inherited from both parents
Nuclear DNA
DNA present in small structures outside the nucleus of a cell.
Mitochondrial DNA