Unit 4 - Fingerprints

an imprint made by ridge patterns on the tip of a finger; also used to describe the characteristic pattern of DNA fragments

a micron is one-millionth of a meter or one-thousandth of a millimeter

the study of fingerprints. the word is derived from the Greek daktulos, meaning finger.

the study of human body measurements. the word is derived from the Greek anthropos, meaning man

fingerprint pattern with one or more ridges entering with one side, curving, then going out on the same side entered

triangular area found in all loop and whorl patterns

area found near the center of all loop and whorl patterns

fingerprint pattern with at least two deltas and a core

least common and simplest fingerprint pattern. Arches have no delta or core. all ridges enter one side and exits the other

in descriptions of fingerprints, ridge characteristics

three dimensional print made as indentations in soft materials such as fresh paint, putty, or wax; also called an indented or molded print

fingerprint left by a finger that has touched blood, paint, ink, or the like

fingerprint made by the deposit of the perspiration or body oils; invisible to the naked eye until developed

a biochemical reagent used to detect free amino and carboxyl groups in proteins and peptides; the resulting color is called Rehemann’s purple

common minutiae, shaped like a two pronged fork