Classifying Fingerprints

How many types of arches are there?

2; plain and tented

How many types of loops are there?

2; ulnar and radial

How many types of whorls are there?

4; plain, central pocket loop, double loop, accidental

Identify plain arch

Looks like a rollling hill

Identify tented arch

Looks like Eiffel tower / there is a drastic spike

Identify ulnar loop

opens towards pinky

Identify radial loop

opens towards thumb

Identify Plain whorl

line between 2 deltas intersects circles

Identify central pocket loop whorl

Looks like a peacock feather, line between deltas does not intersect full circles

Identify double loop whorl

Looks like yin yang, “S”

Identify accidental loop whorl

Has 3 deltas with a frown, a mix of different types of prints