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Ellis- Forensics Cycle 3
Fingerprints
16
Criminology
11/04/2012

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Term
fingerprint
Definition
an imprint made by ridge patterns on the tip of a finger.

also used to describe the characteristic pattern of DNA fragments.
Term
micron
Definition
a micron is one-millionth of a meter
Term
dactyloscopy
Definition
the study of fingerprints.
Term
anthropometry
Definition
the study of human body measurements.
Term
Alphonse Bertillion
Definition
created the field of anthropometry (using body measurements to discriminate between individuals).
Term
loop
Definition
fingerprint pattern with one or more ridges entering from one side, curving, and then leaving on the same side entered.

HAS ONLY ONE DELTA

most popular pattern of fingerprints
Term
delta
Definition
triangular area found in all loop and whorl patterns
Term
core
Definition
area found near the center of all loop and whorl patterns
Term
whorl
Definition
fingerprint pattern with at least two deltas and a core
Term
arch
Definition
least common and simplest fingerprint pattern.

NO DELTAS or CORE.

Pattern enters on one side and leaves on the opposite side.
Term
minutiae
Definition
ridge characteristics

(minute details of the fingerprint)
Term
plastic print
Definition
3D print made as indentations in soft materials (ex. putty, pain, wax)

AKA molded print.
Term
visible print
Definition
finger print left by a finger that has touched blood, paint, ink etc.
Term
latent print
Definition
finger print made by the deposit of perspiration or body oils. Invisible to the naked eye until developed.
Term
ninhydrin
Definition
a biochemical reagent used to detect latent fingerprints (shows up as a purple print)
Term
bifurcation
Definition
common minutiae, shaped like a two-pronged fork.