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Fingerprint Types Minutiae Flashcards

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Questions and Answers

What is a Ridge Ending?

Where the ridges in the fingerprint ending stop (correct)

One ridge that forms a circle shape in the middle

Two horizontal ridges connected by a diagonal line

A small line between ridges

What is an Island in the context of fingerprint minutiae?

A small line between ridges

What does a Bridge refer to in fingerprint analysis?

Two horizontal ridges connected by a diagonal line

What is an Eye in fingerprint terminology?

One ridge that forms a circle shape in the middle Signup and view all the answers

What is a Delta in fingerprint patterns?

A triangular ridge pattern Signup and view all the answers

What is Bifurcation in the context of fingerprints?

One ridge splits into two ridges Signup and view all the answers

What characterizes a Dot in fingerprint minutiae?

Two ridges surround a dot Signup and view all the answers

What is a Spur in fingerprint characteristics?

A curved line that hangs down from the upper ridge Signup and view all the answers

What describes a double Bifurcation?

When the ridges split twice into two forks Signup and view all the answers

What is Trifurcation in fingerprint patterns?

When the ridge separates into three lines (like a trident) Signup and view all the answers

Study Notes

Fingerprint Minutiae Types

Ridge Ending: Point where a fingerprint ridge concludes; crucial for unique pattern identification.
Island: Represents a small line situated between two ridge lines, contributing to ridge classification.
Bridge: Formed by two horizontal ridges linked by a diagonal line, helping to analyze ridge flow.
Eye: A distinctive circular shape formed by a single ridge in the center, significant for fingerprint analysis.
Delta: Characterized by a triangular pattern of ridges, often used as a reference point in fingerprint classification.
Bifurcation (Fork): Occurs when one ridge divides into two, serving as a key marker in fingerprint recognition.
Dot: A feature where two ridges encircle a smaller dot, adding detail to fingerprint patterns.
Spur: Identified as a curved line that hangs downward from an upper ridge, used in minutiae analysis.
Double Bifurcation: A complex feature where the ridges split two times into two forks, enhancing detail in identification.
Trifurcation: Happens when one ridge separates into three distinct lines, resembling a trident, and aids in fingerprint uniqueness.

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Description

Explore the fascinating world of fingerprints with these flashcards focusing on various types of minutiae. Each card defines essential terms such as Ridge Ending, Island, and Delta, helping you understand the unique characteristics of fingerprint patterns. Perfect for students and enthusiasts of forensic science!