Chang Byung Soo, Hong Wan Sung, Lee Eunju, Yeo Sung Moon, Bang In Seok, Chung Yoon Hee, Lim Do Sun, Mun Ga Hee, Kim Jaehyup, Park Sang Ock, Shin Dong Hoon
Department of Cosmetology, Hanseo University, Seo San, Republic of Korea.
Forensic Sci Int. 2005 Jul 16;151(2-3):193-200. doi: 10.1016/j.forsciint.2004.12.037.
Weathering or long-term burial may cause profound morphological and histological changes in hair, which may affect the results of forensic and archaeological investigations. We therefore used ultramicroscopic techniques to assay the changes in weathering hair shafts caused by burial for up to 25 years. We found that the middle portion of hair shafts from living individuals shows the expected histological hair structure, while the cuticle layer was absent from the terminal portion of the same hairs, which may be due to the increased weathering experienced by the terminal portion. In hair samples taken 5 years after death, no significant changes in morphology were observed. By 15 years after death, however, we observed losses in various layers of the hair, including the cuticle layer. At 25 years after death, hair shafts showed a number of pores extending into the medulla, with only some hair shafts retaining their cortical layers. To our knowledge, this is the first ultramicroscopic study on weathering of hair for up to 25 years after death. Our results may therefore provide a basis for similar studies in the fields of forensic science and physical anthropology.
风化或长期掩埋可能会导致毛发出现深刻的形态学和组织学变化，这可能会影响法医和考古调查的结果。因此，我们使用超显微技术来分析长达25年掩埋对毛发杆造成的风化变化。我们发现，活体个体毛发杆的中部呈现出预期的毛发组织学结构，而同一毛发的末端部分则没有角质层，这可能是由于末端部分经历了更多的风化。在死后5年采集的毛发样本中，未观察到形态上的显著变化。然而，到死后15年，我们观察到毛发各层出现了损失，包括角质层。死后25年时，毛发杆出现了许多延伸至髓质的孔隙，只有一些毛发杆保留了其皮质层。据我们所知，这是首次对死后长达25年的毛发风化进行的超显微研究。因此，我们的结果可能为法医学和体质人类学领域的类似研究提供基础。
