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・ Fingermouse
・ Fingerpaint
・ Fingerpainting (album)
・ Fingerpick
・ Fingerpickin'
・ Fingerplate
・ Fingerplate (door)
・ Fingerplay
・ Fingerpointing
・ Fingerpointing (Red Krayola album)
・ Fingerpoke of Doom
・ Fingerpori
・ Fingerpost
・ Fingerpost, Worcestershire
・ Fingerprince
Fingerprint
・ Fingerprint (album)
・ Fingerprint (computing)
・ Fingerprint (disambiguation)
・ Fingerprint File
・ Fingerprint Ghost
・ Fingerprint Inquiry
・ Fingerprint powder
・ Fingerprint recognition
・ Fingerprint Recorders
・ Fingerprint Records
・ Fingerprint Verification Competition
・ Fingerprints (album)
・ Fingerprints (comics)
・ Fingerprints (film)


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Fingerprint : ウィキペディア英語版
Fingerprint

A fingerprint in its narrow sense is an impression left by the friction ridges of a human finger.〔(【引用サイトリンク】title=Peer Reviewed Glossary of the Scientific Working Group on Friction Ridge Analysis, Study and Technology (SWGFAST) )〕 The recovery of fingerprints from a crime scene is an important method of forensic science. Fingerprints are easily deposited on suitable surfaces (such as glass or metal or polished stone) by the natural secretions of sweat from the eccrine glands that are present in epidermal ridges.
In a wider use of the term, fingerprints are the traces of an impression from the friction ridges of any part of a human or other primate hand. A print from the sole of the foot can also leave an impression of friction ridges.
Deliberate impressions of fingerprints may be formed by ink or other substances transferred from the peaks of friction ridges on the skin to a relatively smooth surface such as a fingerprint card. Fingerprint records normally contain impressions from the pad on the last joint of fingers and thumbs, although fingerprint cards also typically record portions of lower joint areas of the fingers.
Human fingerprints are detailed, unique, difficult to alter, and durable over the life of an individual, making them suitable as long-term markers of human identity. They may be employed by police or other authorities to identify individuals who wish to conceal their identity, or to identify people who are incapacitated or deceased and thus unable to identify themselves, as in the aftermath of a natural disaster. Fingerprint analysis, in use since the early 20th century, has led to many crimes being solved.〔Hueske, Edward. Firearms and Fingerprints. Facts on File/Infobase Publishing, New York. 2009. ISBN 978-0-8160-5512-8〕 This means that many criminals consider gloves essential.〔Hall, Angus. The Crime Busters. Book Sales, United Kingdom/United States. 1989. ISBN 9781555214340.〕 In 2015, the identification of gender by use of a fingerprint test has been reported.
==Biology==
A friction ridge is a raised portion of the epidermis on the digits (fingers and toes), the palm of the hand or the sole of the foot, consisting of one or more connected ridge units of friction ridge skin.〔 These are sometimes known as "epidermal ridges" which are caused by the underlying interface between the dermal papillae of the dermis and the interpapillary (rete) pegs of the epidermis. These epidermal ridges serve to amplify vibrations triggered, for example, when fingertips brush across an uneven surface, better transmitting the signals to sensory nerves involved in fine texture perception.〔("Fake finger reveals the secrets of touch" ), ''Nature'', 29 January 2009, 〕 These ridges may also assist in gripping rough surfaces and may improve surface contact in wet conditions.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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