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皮肤纹理分布于全身,呈有规律的排列,简称皮纹或肤纹.包括指纹、掌线、(?)线,于胚胎的第6—7周开始形成,第13—19周便发育完善,终生不变.早在二千年前就有把指纹按印在契约上作为凭证的记载.十七世纪Crew曾较为科学地描述过手指、手掌和足底的嵴线大小相等、相互平行并形成椭圆形和三角的情况.1892年Calton首先提出指纹的分类方法,并写出“指印学”一书,当时仅利用指纹个体间的差异来确定人的身份,并应用于侦缉工作.
Skin texture distribution in the body, was regularly arranged, referred to as dermatoglyphs or skin lines, including fingerprints, palm line, (?) Line, embryos in the first 6-7 weeks of the formation, the first 13-19 weeks will develop and perfect, Lifetime unchanged.As early as two thousand years ago there are fingerprints printed on the contract as a voucher.Crew has more scientific description of the seventeenth Century fingers, palm and plantar crest line equal in size, parallel to each other and form Oval and trigonometry. In 1892, Calton first proposed the classification of fingerprints and wrote “Fingerprinting,” a book that used only the differences between fingerprinting individuals to determine a person’s identity and to apply it to detectives.