Term
| Plain and Tented Arch, Right and Left Loop, Whorl, Composite |
|
Definition
| The different friction ridge patterns. |
|
|
Term
| [image]
What friction ridge pattern is this? |
|
Definition
|
|
Term
| What is a loop fingerprint? |
|
Definition
| In this pattern, the ridges enter at one side, curve, and come back to the same side. |
|
|
Term
| [image]
What friction ridge pattern is this? |
|
Definition
|
|
Term
| What is a plain arch fingerprint? |
|
Definition
| It looks like an upside-down “U”. |
|
|
Term
| [image]
What friction ridge pattern is this? |
|
Definition
|
|
Term
| What is a whorl fingerprint? |
|
Definition
| They have a spiral or circular pattern and can have pockets or double loops. |
|
|
Term
|
Definition
| A small circle of ridges in the middle of a whorl. |
|
|
Term
|
Definition
| It has two whorls that meet in the center. |
|
|
Term
| [image]
What friction ridge pattern is this? |
|
Definition
|
|
Term
| What is a composite fingerprint? |
|
Definition
| A combination of all the types of fingerprints: plain and tented arch, loop and whorl. |
|
|
Term
|
Definition
| The details of a fingerprint. |
|
|
Term
|
Definition
| Where a ridge starts and stops. |
|
|
Term
|
Definition
| The place where a ridge divides. |
|
|
Term
| What is an enclosure or island? |
|
Definition
| Ridges that split and come back together. |
|
|
Term
| What is a patent fingerprint? |
|
Definition
You can see this fingerprint without chemicals or equipment.
Sweat and oil can leave this type of finger print on glass or metal. |
|
|
Term
| What is a plastic fingerprint? |
|
Definition
| This type of fingerprint is molded into soft surfaces such as wax, soap, or wet cement. |
|
|
Term
| What is a latent fingerprint? |
|
Definition
| This type or fingerprint must be developed before it can be seen on surfaces. |
|
|
Term
| What do Crime Scene Investigators (CSIs) use to make latent prints visible? |
|
Definition
| Lasers, filtered lamps and other strong light sources. They then develop the prints by using a heated super glue. |
|
|
Term
| CSIs sometimes use this which sticks to oil and sweat, to see a fingerprint. |
|
Definition
|
|
