Recurving ridges, ridge counting
Recurving Ridges If a recurving ridge tends to terminate on the opposite side of the impression from which it entered, it’s usually a tented arch rather than a loop. This is because a recurving ridge Read more…
5211 West Adams Blvd., Los Angeles, CA 90016
113 N San Vicente Blvd., Beverly Hills, CA 90211
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, deltas, and ridges.
Pattern areas of loops and whorls are enclosed by Type Lines, which we can address in another post.
Recurving Ridges If a recurving ridge tends to terminate on the opposite side of the impression from which it entered, it’s usually a tented arch rather than a loop. This is because a recurving ridge Read more…
Classifying Loops can be tricky. In the figure above, the ridge enters at A and exits at the same place, at B. This is clearly a loop. But, in the image below, if a ridge Read more…
Key Characteristics of loops Loops are a type of friction ridge pattern that constitute about 65% of all prints. A loop is a type of fingerprint pattern in which one or more of the ridges Read more…