Unit 2 Fingerprinting Flashcards
site of blood vessels, nerve, and sweat gland proliferation
volar pads
systematic approach of detailed measurements ; anthropometry
alphonse bertillion
used fingerprints in britain to supplement anthropometry
francis galton
developed classification system used in most english-speaking countries
sir edward henry
single gene mutation responsible, reduced number of sweat glands
adermatoglyphia
faulty development of all or part of volar pads. unclassified but identifiable
dysplasia
no arches, loops or whorls. prints appear as straight lines and are unclassifiable
cuspal
form when a person touches something soft or semi-solid
plastic
can be seen without enhancements, examples: ink, blood, engine oil
visible
oils and sweats need enhancing beforhand
latent
turn print white and then a fluorescent powder can be applied
cyanoacrylate
ninhydrin - reacts with amino acids to turn pink/ purple, porous surfaces
chemical enhancements