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There are a few other rules to remember about Deltas: The delta may not be located at a bifurcation which does not open toward the core When there is a choice between a bifurcation and another type of delta, the bifurcation is sleected When there are 2 or more possible

The Delta is the point on a ridge at or in front of and nearest the center of the divergence of the type lines. It can be a bifurcation, an abrupt ending ridge, a dot, a short ridge a meeting of two ridges (convergence), or a point on the first

Type lines, which enclose fingerprint patterns, can be very short, or long. Another very important characteristic of type lines is that they sometimes contain bifurcations or divergencies. A bifurcation is the forking or dividing of one line into 2 or more branches, while a divergence is the spreading apart of

Sometimes our clients have injured the tips of their fingers and express concern that this will affect their fingerprints. We explain to them that we are interested in specific pattern areas that do not include their fingertips. A pattern area is that part of a loop or whorl encompassing cores,

The three types of patterns are 1. Arch 2. Loop and 3. Whorl. These may be further divided: 1. Arch  Plain Tented 2. Loop Radial Ulnar 3. Whorl Plain Central pocket loop Double loop Accidental Whorl